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392690012 = 2211213139449
BaseRepresentation
bin10111011001111…
…111100101011100
31000100220201102112
4113121333211130
51301012040022
6102544413152
712505544561
oct2731774534
91010821375
10392690012
11191732900
12ab6171b8
1363482270
143a220868
152471c8e2
hex1767f95c

392690012 has 72 divisors (see below), whose sum is σ = 821142000. Its totient is φ = 163215360.

The previous prime is 392690009. The next prime is 392690033. The reversal of 392690012 is 210096293.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 874364 + ... + 874812.

It is an arithmetic number, because the mean of its divisors is an integer number (11404750).

Almost surely, 2392690012 is an apocalyptic number.

It is an amenable number.

392690012 is an abundant number, since it is smaller than the sum of its proper divisors (428451988).

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

392690012 is a wasteful number, since it uses less digits than its factorization.

392690012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 392690012 is about 19816.4076461906. The cubic root of 392690012 is about 732.2903060843.

The spelling of 392690012 in words is "three hundred ninety-two million, six hundred ninety thousand, twelve".

Divisors: 1 2 4 11 13 22 26 44 52 121 139 143 242 278 286 449 484 556 572 898 1529 1573 1796 1807 3058 3146 3614 4939 5837 6116 6292 7228 9878 11674 16819 19756 19877 23348 33638 39754 54329 62411 64207 67276 79508 108658 124822 128414 217316 218647 249644 256828 437294 686521 706277 811343 874588 1373042 1412554 1622686 2746084 2825108 3245372 7551731 8924773 15103462 17849546 30206924 35699092 98172503 196345006 392690012