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131006706 = 2321834451
BaseRepresentation
bin1111100111100…
…00000011110010
3100010111211102020
413303300003302
5232014203311
620555532310
73150352515
oct763600362
9303454366
10131006706
1167a4a306
1237a5a096
13211aba7c
1413582d7c
15b77bc06
hex7cf00f2

131006706 has 8 divisors (see below), whose sum is σ = 262013424. Its totient is φ = 43668900.

The previous prime is 131006669. The next prime is 131006731. The reversal of 131006706 is 607600131.

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

131006706 is an admirable 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, 10917220 + ... + 10917231.

It is an arithmetic number, because the mean of its divisors is an integer number (32751678).

Almost surely, 2131006706 is an apocalyptic number.

131006706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

131006706 is a wasteful number, since it uses less digits than its factorization.

131006706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21834456.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 131006706 is about 11445.8160914808. The cubic root of 131006706 is about 507.8839738532.

Adding to 131006706 its reverse (607600131), we get a palindrome (738606837).

The spelling of 131006706 in words is "one hundred thirty-one million, six thousand, seven hundred six".

Divisors: 1 2 3 6 21834451 43668902 65503353 131006706