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131333352 = 23343127261
BaseRepresentation
bin1111101001111…
…11110011101000
3100011010102111020
413310333303220
5232110131402
621010532440
73153213033
oct764776350
9304112436
10131333352
1168152767
1237b97120
1321294657
141362a01a
15b7e38bc
hex7d3fce8

131333352 has 32 divisors (see below), whose sum is σ = 335971680. Its totient is φ = 42759360.

The previous prime is 131333317. The next prime is 131333353. The reversal of 131333352 is 253333131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (131333353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62599 + ... + 64662.

It is an arithmetic number, because the mean of its divisors is an integer number (10499115).

Almost surely, 2131333352 is an apocalyptic number.

131333352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131333352 is an abundant number, since it is smaller than the sum of its proper divisors (204638328).

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

131333352 is a wasteful number, since it uses less digits than its factorization.

131333352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127313 (or 127309 counting only the distinct ones).

The product of its digits is 2430, while the sum is 24.

The square root of 131333352 is about 11460.0764395356. The cubic root of 131333352 is about 508.3057349047.

Adding to 131333352 its reverse (253333131), we get a palindrome (384666483).

The spelling of 131333352 in words is "one hundred thirty-one million, three hundred thirty-three thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 43 86 129 172 258 344 516 1032 127261 254522 381783 509044 763566 1018088 1527132 3054264 5472223 10944446 16416669 21888892 32833338 43777784 65666676 131333352