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131903036 = 22103320153
BaseRepresentation
bin1111101110010…
…10111000111100
3100012012100221122
413313022320330
5232231344121
621031050112
73161104646
oct767127074
9305170848
10131903036
1168501781
1238210938
1321433a45
1413737896
15b8a75ab
hex7dcae3c

131903036 has 12 divisors (see below), whose sum is σ = 233072112. Its totient is φ = 65311008.

The previous prime is 131903003. The next prime is 131903041. The reversal of 131903036 is 630309131.

131903036 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 131902996 and 131903014.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 159665 + ... + 160488.

It is an arithmetic number, because the mean of its divisors is an integer number (19422676).

Almost surely, 2131903036 is an apocalyptic number.

It is an amenable number.

131903036 is a deficient number, since it is larger than the sum of its proper divisors (101169076).

131903036 is a wasteful number, since it uses less digits than its factorization.

131903036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320260 (or 320258 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 131903036 is about 11484.9047013896. The cubic root of 131903036 is about 509.0396331666.

The spelling of 131903036 in words is "one hundred thirty-one million, nine hundred three thousand, thirty-six".

Divisors: 1 2 4 103 206 412 320153 640306 1280612 32975759 65951518 131903036