Search a number
-
+
131550324 = 22310962527
BaseRepresentation
bin1111101011101…
…00110001110100
3100011112110010020
413311310301310
5232134102244
621015325140
73155105433
oct765646164
9304473106
10131550324
1168290784
12380807b0
132133c339
141368511a
15b837d19
hex7d74c74

131550324 has 12 divisors (see below), whose sum is σ = 306950784. Its totient is φ = 43850104.

The previous prime is 131550313. The next prime is 131550337. The reversal of 131550324 is 423055131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 131550294 and 131550303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5481252 + ... + 5481275.

It is an arithmetic number, because the mean of its divisors is an integer number (25579232).

Almost surely, 2131550324 is an apocalyptic number.

It is an amenable number.

131550324 is an abundant number, since it is smaller than the sum of its proper divisors (175400460).

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

131550324 is a wasteful number, since it uses less digits than its factorization.

131550324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10962534 (or 10962532 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 131550324 is about 11469.5389619636. The cubic root of 131550324 is about 508.5854999233.

The spelling of 131550324 in words is "one hundred thirty-one million, five hundred fifty thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 10962527 21925054 32887581 43850108 65775162 131550324