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997075353 = 3794998431
BaseRepresentation
bin111011011011100…
…010100110011001
32120111011200020210
4323123202212121
54020222402403
6242534441333
733465000141
oct7333424631
92514150223
10997075353
1147190651a
12239b03249
1312b754c21
14965c9921
155c804b03
hex3b6e2999

997075353 has 16 divisors (see below), whose sum is σ = 1349120000. Its totient is φ = 654909840.

The previous prime is 997075291. The next prime is 997075393. The reversal of 997075353 is 353570799.

It is not a de Polignac number, because 997075353 - 28 = 997075097 is a prime.

It is the 31577-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (997075393) by changing a digit.

It is a nontrivial repunit in base 31576.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114048 + ... + 122478.

It is an arithmetic number, because the mean of its divisors is an integer number (84320000).

Almost surely, 2997075353 is an apocalyptic number.

It is an amenable number.

997075353 is a deficient number, since it is larger than the sum of its proper divisors (352044647).

997075353 is a wasteful number, since it uses less digits than its factorization.

997075353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012.

The product of its (nonzero) digits is 893025, while the sum is 48.

The square root of 997075353 is about 31576.5000118759. The cubic root of 997075353 is about 999.0241657239.

The spelling of 997075353 in words is "nine hundred ninety-seven million, seventy-five thousand, three hundred fifty-three".

Divisors: 1 3 79 237 499 1497 8431 25293 39421 118263 666049 1998147 4207069 12621207 332358451 997075353