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997014892 = 221920636359
BaseRepresentation
bin111011011011010…
…011110101101100
32120111001121022111
4323123103311230
54020213434032
6242533253404
733464325646
oct7333236554
92514047274
10997014892
11471875055
12239a94264
1312b733553
14965b1896
155c7e1c47
hex3b6d3d6c

997014892 has 24 divisors (see below), whose sum is σ = 1837785600. Its totient is φ = 471967056.

The previous prime is 997014881. The next prime is 997014973. The reversal of 997014892 is 298410799.

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 7 ways as a sum of consecutive naturals, for example, 153609 + ... + 159967.

It is an arithmetic number, because the mean of its divisors is an integer number (76574400).

Almost surely, 2997014892 is an apocalyptic number.

It is an amenable number.

997014892 is a deficient number, since it is larger than the sum of its proper divisors (840770708).

997014892 is a wasteful number, since it uses less digits than its factorization.

997014892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8445 (or 8443 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 49.

The square root of 997014892 is about 31575.5426239994. The cubic root of 997014892 is about 999.0039722581.

The spelling of 997014892 in words is "nine hundred ninety-seven million, fourteen thousand, eight hundred ninety-two".

Divisors: 1 2 4 19 38 76 2063 4126 6359 8252 12718 25436 39197 78394 120821 156788 241642 483284 13118617 26237234 52474468 249253723 498507446 997014892