Search a number
-
+
97692031 = 731338247
BaseRepresentation
bin1011101001010…
…10100101111111
320210211021021101
411310222211333
5200002121111
613405513531
72264240263
oct564524577
9223737241
1097692031
1150165518
12288728a7
1317316148
14cd900a3
15889abc1
hex5d2a97f

97692031 has 4 divisors (see below), whose sum is σ = 99030352. Its totient is φ = 96353712.

The previous prime is 97692029. The next prime is 97692037. The reversal of 97692031 is 13029679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97692031 - 21 = 97692029 is a prime.

It is a super-2 number, since 2×976920312 = 19087465841809922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97692037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 669051 + ... + 669196.

It is an arithmetic number, because the mean of its divisors is an integer number (24757588).

Almost surely, 297692031 is an apocalyptic number.

97692031 is a deficient number, since it is larger than the sum of its proper divisors (1338321).

97692031 is a wasteful number, since it uses less digits than its factorization.

97692031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338320.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 97692031 is about 9883.9279135372. The cubic root of 97692031 is about 460.5601729503.

The spelling of 97692031 in words is "ninety-seven million, six hundred ninety-two thousand, thirty-one".

Divisors: 1 73 1338247 97692031