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97692943 = 120181343
BaseRepresentation
bin1011101001010…
…10110100001111
320210211022112011
411310222310033
5200002133233
613405522051
72264243035
oct564526417
9223738464
1097692943
1150166177
1228873327
131731669a
14cd90555
15889b0cd
hex5d2ad0f

97692943 has 4 divisors (see below), whose sum is σ = 97775488. Its totient is φ = 97610400.

The previous prime is 97692929. The next prime is 97692977. The reversal of 97692943 is 34929679.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34929679 = 172054687.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-97692943 is a prime.

It is a super-2 number, since 2×976929432 = 19087822224002498, 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 (97692043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39471 + ... + 41872.

It is an arithmetic number, because the mean of its divisors is an integer number (24443872).

Almost surely, 297692943 is an apocalyptic number.

97692943 is a deficient number, since it is larger than the sum of its proper divisors (82545).

97692943 is a wasteful number, since it uses less digits than its factorization.

97692943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82544.

The product of its digits is 734832, while the sum is 49.

The square root of 97692943 is about 9883.9740489340. The cubic root of 97692943 is about 460.5616061262.

The spelling of 97692943 in words is "ninety-seven million, six hundred ninety-two thousand, nine hundred forty-three".

Divisors: 1 1201 81343 97692943