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131235044 = 22671573119
BaseRepresentation
bin1111101001001…
…11110011100100
3100010221102122012
413310213303210
5232044010134
621004453352
73152323313
oct764476344
9303842565
10131235044
1168095916
1237b4a258
132125b995
141360227a
15b7c46ce
hex7d27ce4

131235044 has 24 divisors (see below), whose sum is σ = 234648960. Its totient is φ = 64205856.

The previous prime is 131235029. The next prime is 131235077. The reversal of 131235044 is 440532131.

131235044 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 7 ways as a sum of consecutive naturals, for example, 40517 + ... + 43635.

It is an arithmetic number, because the mean of its divisors is an integer number (9777040).

Almost surely, 2131235044 is an apocalyptic number.

It is an amenable number.

131235044 is a deficient number, since it is larger than the sum of its proper divisors (103413916).

131235044 is a wasteful number, since it uses less digits than its factorization.

131235044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 131235044 is about 11455.7864854404. The cubic root of 131235044 is about 508.1788745327.

Adding to 131235044 its reverse (440532131), we get a palindrome (571767175).

The spelling of 131235044 in words is "one hundred thirty-one million, two hundred thirty-five thousand, forty-four".

Divisors: 1 2 4 67 134 157 268 314 628 3119 6238 10519 12476 21038 42076 208973 417946 489683 835892 979366 1958732 32808761 65617522 131235044