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92640020 = 22511238281
BaseRepresentation
bin1011000010110…
…01001100010100
320110022121012212
411201121030110
5142203440040
613105332552
72203266344
oct541311424
9213277185
1092640020
1148324900
1227037158
13162677a5
14c436d24
1581edd65
hex5859314

92640020 has 36 divisors (see below), whose sum is σ = 213843252. Its totient is φ = 33686400.

The previous prime is 92640001. The next prime is 92640047. The reversal of 92640020 is 2004629.

It can be written as a sum of positive squares in 2 ways, for example, as 67699984 + 24940036 = 8228^2 + 4994^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16721 + ... + 21560.

Almost surely, 292640020 is an apocalyptic number.

It is an amenable number.

92640020 is an abundant number, since it is smaller than the sum of its proper divisors (121203232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

92640020 is a wasteful number, since it uses less digits than its factorization.

92640020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38312 (or 38299 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 92640020 is about 9624.9685713773. The cubic root of 92640020 is about 452.4801655887.

Adding to 92640020 its reverse (2004629), we get a palindrome (94644649).

The spelling of 92640020 in words is "ninety-two million, six hundred forty thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2420 38281 76562 153124 191405 382810 421091 765620 842182 1684364 2105455 4210910 4632001 8421820 9264002 18528004 23160005 46320010 92640020