Search a number
-
+
131070966 = 23134339079
BaseRepresentation
bin1111100111111…
…11101111110110
3100010122002120020
413303333233312
5232023232331
621001150010
73151041045
oct763775766
9303562506
10131070966
1167a93614
1237a8b306
13212020b0
141359c55c
15b790c96
hex7cffbf6

131070966 has 32 divisors (see below), whose sum is σ = 288879360. Its totient is φ = 39390624.

The previous prime is 131070943. The next prime is 131070971. The reversal of 131070966 is 669070131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16186 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (9027480).

Almost surely, 2131070966 is an apocalyptic number.

131070966 is an abundant number, since it is smaller than the sum of its proper divisors (157808394).

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

131070966 is a wasteful number, since it uses less digits than its factorization.

131070966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39140.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 131070966 is about 11448.6228866183. The cubic root of 131070966 is about 507.9670008738.

The spelling of 131070966 in words is "one hundred thirty-one million, seventy thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 13 26 39 43 78 86 129 258 559 1118 1677 3354 39079 78158 117237 234474 508027 1016054 1524081 1680397 3048162 3360794 5041191 10082382 21845161 43690322 65535483 131070966