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131411304 = 23321825157
BaseRepresentation
bin1111101010100…
…10110101101000
3100011021101102100
413311102311220
5232120130204
621012333400
73153656223
oct765226550
9304241370
10131411304
11681a6292
1238014260
13212c0c8b
141364a5ba
15b80ba39
hex7d52d68

131411304 has 24 divisors (see below), whose sum is σ = 355905810. Its totient is φ = 43803744.

The previous prime is 131411299. The next prime is 131411317. The reversal of 131411304 is 403114131.

It can be written as a sum of positive squares in only one way, i.e., 126562500 + 4848804 = 11250^2 + 2202^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 912507 + ... + 912650.

Almost surely, 2131411304 is an apocalyptic number.

It is an amenable number.

131411304 is an abundant number, since it is smaller than the sum of its proper divisors (224494506).

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

131411304 is a wasteful number, since it uses less digits than its factorization.

131411304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825169 (or 1825162 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 131411304 is about 11463.4769594569. The cubic root of 131411304 is about 508.4062821285.

Adding to 131411304 its reverse (403114131), we get a palindrome (534525435).

The spelling of 131411304 in words is "one hundred thirty-one million, four hundred eleven thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1825157 3650314 5475471 7300628 10950942 14601256 16426413 21901884 32852826 43803768 65705652 131411304