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92730073 = 289732009
BaseRepresentation
bin1011000011011…
…11001011011001
320110111011202011
411201233023121
5142214330243
613111305521
72204123032
oct541571331
9213434664
1092730073
1148386527
122707b2a1
1316299787
14c45ba89
15821a89d
hex586f2d9

92730073 has 4 divisors (see below), whose sum is σ = 92764980. Its totient is φ = 92695168.

The previous prime is 92730049. The next prime is 92730091. The reversal of 92730073 is 37003729.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37003729 = 75286247.

It can be written as a sum of positive squares in 2 ways, for example, as 3087049 + 89643024 = 1757^2 + 9468^2 .

It is a cyclic number.

It is not a de Polignac number, because 92730073 - 221 = 90632921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (92734073) 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, 13108 + ... + 18901.

It is an arithmetic number, because the mean of its divisors is an integer number (23191245).

Almost surely, 292730073 is an apocalyptic number.

It is an amenable number.

92730073 is a deficient number, since it is larger than the sum of its proper divisors (34907).

92730073 is a wasteful number, since it uses less digits than its factorization.

92730073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34906.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 92730073 is about 9629.6455282632. The cubic root of 92730073 is about 452.6267329159.

The spelling of 92730073 in words is "ninety-two million, seven hundred thirty thousand, seventy-three".

Divisors: 1 2897 32009 92730073