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4240015065 = 3451113179409
BaseRepresentation
bin1111110010111001…
…0111111011011001
3101221111100002020000
43330232113323121
532140420440230
61540422123213
7210033350646
oct37456277331
911844302200
104240015065
111886418090
129a3b80509
13527579370
142c3190dcd
1519c385b60
hexfcb97ed9

4240015065 has 160 divisors (see below), whose sum is σ = 9001238400. Its totient is φ = 1882414080.

The previous prime is 4240015061. The next prime is 4240015081. The reversal of 4240015065 is 5605100424.

It is not a de Polignac number, because 4240015065 - 22 = 4240015061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (4240015061) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 10366581 + ... + 10366989.

It is an arithmetic number, because the mean of its divisors is an integer number (56257740).

Almost surely, 24240015065 is an apocalyptic number.

4240015065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4240015065 is an abundant number, since it is smaller than the sum of its proper divisors (4761223335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4240015065 is a wasteful number, since it uses less digits than its factorization.

4240015065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 620 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4240015065 is about 65115.3980637453. The cubic root of 4240015065 is about 1618.5363838310.

Adding to 4240015065 its reverse (5605100424), we get a palindrome (9845115489).

The spelling of 4240015065 in words is "four billion, two hundred forty million, fifteen thousand, sixty-five".

Divisors: 1 3 5 9 11 13 15 27 33 39 45 55 65 81 99 117 135 143 165 179 195 297 351 405 409 429 495 537 585 715 891 895 1053 1227 1287 1485 1611 1755 1969 2045 2145 2327 2685 3681 3861 4455 4499 4833 5265 5317 5907 6135 6435 6981 8055 9845 11043 11583 11635 13497 14499 15951 17721 18405 19305 20943 22495 24165 25597 26585 29535 33129 34905 40491 47853 53163 55215 57915 58487 62829 67485 72495 73211 76791 79755 88605 104715 121473 127985 143559 159489 165645 175461 188487 202455 219633 230373 239265 265815 292435 314145 364419 366055 383955 430677 526383 607365 658899 691119 717795 797445 805321 877305 942435 951743 1098165 1151865 1579149 1822095 1976697 2073357 2153385 2415963 2631915 2855229 3294495 3455595 4026605 4737447 4758715 5930091 7247889 7895745 8565687 9883485 10366785 10469173 12079815 14276145 21743667 23687235 25697061 29650455 31407519 36239445 42828435 52345865 65231001 77091183 94222557 108718335 128485305 157037595 282667671 326155005 385455915 471112785 848003013 1413338355 4240015065