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49317345 = 32571143331
BaseRepresentation
bin1011110000100…
…0010111100001
310102210120200100
42330020113201
5100111123340
64521013013
71136122230
oct274102741
9112716610
1049317345
1125924940
1214624169
13a2a977c
14679ab17
1544e2830
hex2f085e1

49317345 has 96 divisors (see below), whose sum is σ = 109384704. Its totient is φ = 19958400.

The previous prime is 49317299. The next prime is 49317347. The reversal of 49317345 is 54371394.

It is not a de Polignac number, because 49317345 - 28 = 49317089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49317347) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 148830 + ... + 149160.

It is an arithmetic number, because the mean of its divisors is an integer number (1139424).

Almost surely, 249317345 is an apocalyptic number.

49317345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49317345 is an abundant number, since it is smaller than the sum of its proper divisors (60067359).

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

49317345 is a wasteful number, since it uses less digits than its factorization.

49317345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 400 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 49317345 is about 7022.6309172560. The cubic root of 49317345 is about 366.7188461095.

The spelling of 49317345 in words is "forty-nine million, three hundred seventeen thousand, three hundred forty-five".

Divisors: 1 3 5 7 9 11 15 21 33 35 43 45 55 63 77 99 105 129 165 215 231 301 315 331 385 387 473 495 645 693 903 993 1155 1419 1505 1655 1935 2317 2365 2709 2979 3311 3465 3641 4257 4515 4965 6951 7095 9933 10923 11585 13545 14233 14895 16555 18205 20853 21285 25487 29799 32769 34755 42699 49665 54615 71165 76461 99631 104265 127435 128097 148995 156563 163845 213495 229383 298893 382305 469689 498155 640485 782815 896679 1095941 1146915 1409067 1494465 2348445 3287823 4483395 5479705 7045335 9863469 16439115 49317345