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92040813 = 333408919
BaseRepresentation
bin1010111110001…
…10111001101101
320102012011021000
411133012321231
5142030301223
613044430513
72165222364
oct537067155
9212164230
1092040813
1147a55697
12269a8439
13160b7b27
14c31c7db
158131543
hex57c6e6d

92040813 has 8 divisors (see below), whose sum is σ = 136356800. Its totient is φ = 61360524.

The previous prime is 92040811. The next prime is 92040821. The reversal of 92040813 is 31804029.

It is not a de Polignac number, because 92040813 - 21 = 92040811 is a prime.

It is a super-2 number, since 2×920408132 = 16943022515401938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 3408919 = 92040813 / (9 + 2 + 0 + 4 + 0 + 8 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92040811) 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 7 ways as a sum of consecutive naturals, for example, 1704433 + ... + 1704486.

It is an arithmetic number, because the mean of its divisors is an integer number (17044600).

Almost surely, 292040813 is an apocalyptic number.

It is an amenable number.

92040813 is a deficient number, since it is larger than the sum of its proper divisors (44315987).

92040813 is a wasteful number, since it uses less digits than its factorization.

92040813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3408928 (or 3408922 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 92040813 is about 9593.7903354201. The cubic root of 92040813 is about 451.5024889213.

The spelling of 92040813 in words is "ninety-two million, forty thousand, eight hundred thirteen".

Divisors: 1 3 9 27 3408919 10226757 30680271 92040813