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990849032 = 232931137771
BaseRepresentation
bin111011000011110…
…010100000001000
32120001110100100022
4323003302200020
54012124132112
6242153200012
733361035455
oct7303624010
92501410308
10990849032
114693435a8
12237a00008
1312a384c04
149584882c
155bec4d72
hex3b0f2808

990849032 has 32 divisors (see below), whose sum is σ = 1983916800. Its totient is φ = 462907200.

The previous prime is 990849007. The next prime is 990849049. The reversal of 990849032 is 230948099.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61694 + ... + 76077.

It is an arithmetic number, because the mean of its divisors is an integer number (61997400).

Almost surely, 2990849032 is an apocalyptic number.

It is an amenable number.

990849032 is an abundant number, since it is smaller than the sum of its proper divisors (993067768).

990849032 is a wasteful number, since it uses less digits than its factorization.

990849032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137837 (or 137833 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 990849032 is about 31477.7545577825. The cubic root of 990849032 is about 996.9403252717.

The spelling of 990849032 in words is "nine hundred ninety million, eight hundred forty-nine thousand, thirty-two".

Divisors: 1 2 4 8 29 31 58 62 116 124 232 248 899 1798 3596 7192 137771 275542 551084 1102168 3995359 4270901 7990718 8541802 15981436 17083604 31962872 34167208 123856129 247712258 495424516 990849032