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990252272 = 2487770571
BaseRepresentation
bin111011000001100…
…000110011110000
32120000100000202002
4323001200303300
54012001033042
6242132313132
733353001602
oct7301406360
92500300662
10990252272
11468a76209
122377727a8
1312a2063b9
1495731172
155be08132
hex3b060cf0

990252272 has 20 divisors (see below), whose sum is σ = 1920828696. Its totient is φ = 494554560.

The previous prime is 990252271. The next prime is 990252287. The reversal of 990252272 is 272252099.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (990252271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21254 + ... + 49317.

Almost surely, 2990252272 is an apocalyptic number.

It is an amenable number.

990252272 is a deficient number, since it is larger than the sum of its proper divisors (930576424).

990252272 is a wasteful number, since it uses less digits than its factorization.

990252272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71456 (or 71450 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 990252272 is about 31468.2740549907. The cubic root of 990252272 is about 996.7401422077.

The spelling of 990252272 in words is "nine hundred ninety million, two hundred fifty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 877 1754 3508 7016 14032 70571 141142 282284 564568 1129136 61890767 123781534 247563068 495126136 990252272