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131434364 = 22199316487
BaseRepresentation
bin1111101010110…
…00011101111100
3100011022120001102
413311120131330
5232121344424
621013032232
73154113365
oct765303574
9304276042
10131434364
1168211646
1238025678
13212cb619
1413654b6c
15b8137ae
hex7d5877c

131434364 has 12 divisors (see below), whose sum is σ = 230139504. Its totient is φ = 65680224.

The previous prime is 131434363. The next prime is 131434379. The reversal of 131434364 is 463434131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131434363) 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 3 ways as a sum of consecutive naturals, for example, 272 + ... + 16215.

It is an arithmetic number, because the mean of its divisors is an integer number (19178292).

Almost surely, 2131434364 is an apocalyptic number.

It is an amenable number.

131434364 is a deficient number, since it is larger than the sum of its proper divisors (98705140).

131434364 is a wasteful number, since it uses less digits than its factorization.

131434364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484 (or 18482 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

The square root of 131434364 is about 11464.4827183785. The cubic root of 131434364 is about 508.4360186956.

Adding to 131434364 its reverse (463434131), we get a palindrome (594868495).

The spelling of 131434364 in words is "one hundred thirty-one million, four hundred thirty-four thousand, three hundred sixty-four".

Divisors: 1 2 4 1993 3986 7972 16487 32974 65948 32858591 65717182 131434364