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131032 = 23111489
BaseRepresentation
bin11111111111011000
320122202001
4133333120
513143112
62450344
71054006
oct377730
9218661
10131032
118a4a0
12639b4
1347845
1435a76
1528c57
hex1ffd8

131032 has 16 divisors (see below), whose sum is σ = 268200. Its totient is φ = 59520.

The previous prime is 131023. The next prime is 131041. The reversal of 131032 is 230131.

It is an interprime number because it is at equal distance from previous prime (131023) and next prime (131041).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657 + ... + 832.

2131032 is an apocalyptic number.

It is an amenable number.

131032 is an abundant number, since it is smaller than the sum of its proper divisors (137168).

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

131032 is a wasteful number, since it uses less digits than its factorization.

131032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506 (or 1502 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 131032 is about 361.9834250349. The cubic root of 131032 is about 50.7916658161.

Adding to 131032 its reverse (230131), we get a palindrome (361163).

Subtracting 131032 from its reverse (230131), we obtain a palindrome (99099).

The spelling of 131032 in words is "one hundred thirty-one thousand, thirty-two".

Divisors: 1 2 4 8 11 22 44 88 1489 2978 5956 11912 16379 32758 65516 131032