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3680407740 = 2235113647839
BaseRepresentation
bin1101101101011110…
…1001000010111100
3100111111100002021210
43123113221002330
530014141021430
61405111524420
7160126643502
oct33327510274
910444302253
103680407740
111619548899
12868689710
13468653c79
1426cb20672
151681962b0
hexdb5e90bc

3680407740 has 96 divisors (see below), whose sum is σ = 10424816640. Its totient is φ = 970095616.

The previous prime is 3680407739. The next prime is 3680407789. The reversal of 3680407740 is 477040863.

It is a happy number.

It is a super-2 number, since 2×36804077402 = 27090802265303815200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4386241 + ... + 4387079.

It is an arithmetic number, because the mean of its divisors is an integer number (108591840).

Almost surely, 23680407740 is an apocalyptic number.

3680407740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3680407740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5212408320).

3680407740 is an abundant number, since it is smaller than the sum of its proper divisors (6744408900).

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

3680407740 is a wasteful number, since it uses less digits than its factorization.

3680407740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 3680407740 is about 60666.3641567549. The cubic root of 3680407740 is about 1543.9455441567.

The spelling of 3680407740 in words is "three billion, six hundred eighty million, four hundred seven thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 113 226 339 452 565 647 678 839 1130 1294 1356 1678 1695 1941 2260 2517 2588 3235 3356 3390 3882 4195 5034 6470 6780 7764 8390 9705 10068 12585 12940 16780 19410 25170 38820 50340 73111 94807 146222 189614 219333 284421 292444 365555 379228 438666 474035 542833 568842 731110 877332 948070 1085666 1096665 1137684 1422105 1462220 1628499 1896140 2171332 2193330 2714165 2844210 3256998 4386660 5428330 5688420 6513996 8142495 10856660 16284990 32569980 61340129 122680258 184020387 245360516 306700645 368040774 613401290 736081548 920101935 1226802580 1840203870 3680407740