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131026074 = 23432631931
BaseRepresentation
bin1111100111101…
…00110010011010
3100010112210222120
413303310302122
5232020313244
621000202110
73150463134
oct763646232
9303483876
10131026074
1167a62913
1237a69336
13211b782a
141358a054
15b782819
hex7cf4c9a

131026074 has 32 divisors (see below), whose sum is σ = 269305344. Its totient is φ = 42475440.

The previous prime is 131025977. The next prime is 131026087. The reversal of 131026074 is 470620131.

131026074 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66889 + ... + 68819.

It is an arithmetic number, because the mean of its divisors is an integer number (8415792).

Almost surely, 2131026074 is an apocalyptic number.

131026074 is an abundant number, since it is smaller than the sum of its proper divisors (138279270).

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

131026074 is a wasteful number, since it uses less digits than its factorization.

131026074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2242.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 131026074 is about 11446.6621335654. The cubic root of 131026074 is about 507.9090011016.

The spelling of 131026074 in words is "one hundred thirty-one million, twenty-six thousand, seventy-four".

Divisors: 1 2 3 6 43 86 129 258 263 526 789 1578 1931 3862 5793 11309 11586 22618 33927 67854 83033 166066 249099 498198 507853 1015706 1523559 3047118 21837679 43675358 65513037 131026074