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131282726 = 2227289169
BaseRepresentation
bin1111101001100…
…11011100100110
3100011000212001012
413310303130212
5232102021401
621005502222
73152612321
oct764633446
9304025035
10131282726
1168118723
1237b71972
13212775b3
14136157b8
15b7d38bb
hex7d33726

131282726 has 8 divisors (see below), whose sum is σ = 197792280. Its totient is φ = 65351968.

The previous prime is 131282719. The next prime is 131282773. The reversal of 131282726 is 627282131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131282692 and 131282701.

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, 144131 + ... + 145038.

It is an arithmetic number, because the mean of its divisors is an integer number (24724035).

Almost surely, 2131282726 is an apocalyptic number.

131282726 is a deficient number, since it is larger than the sum of its proper divisors (66509554).

131282726 is a wasteful number, since it uses less digits than its factorization.

131282726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289398.

The product of its digits is 8064, while the sum is 32.

The square root of 131282726 is about 11457.8674281037. The cubic root of 131282726 is about 508.2404131033.

The spelling of 131282726 in words is "one hundred thirty-one million, two hundred eighty-two thousand, seven hundred twenty-six".

Divisors: 1 2 227 454 289169 578338 65641363 131282726