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131892198 = 2337216057
BaseRepresentation
bin1111101110010…
…00001111100110
3100012011211002020
413313020033212
5232231022243
621030524010
73161031234
oct767101746
9305154066
10131892198
11684a4619
1238206606
132142bb29
1413733954
15b8a4283
hex7dc83e6

131892198 has 24 divisors (see below), whose sum is σ = 271123272. Its totient is φ = 42773184.

The previous prime is 131892193. The next prime is 131892209. The reversal of 131892198 is 891298131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131892191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186 + ... + 16242.

It is an arithmetic number, because the mean of its divisors is an integer number (11296803).

Almost surely, 2131892198 is an apocalyptic number.

131892198 is an abundant number, since it is smaller than the sum of its proper divisors (139231074).

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

131892198 is a wasteful number, since it uses less digits than its factorization.

131892198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16136 (or 16099 counting only the distinct ones).

The product of its digits is 31104, while the sum is 42.

The square root of 131892198 is about 11484.4328549563. The cubic root of 131892198 is about 509.0256907970.

The spelling of 131892198 in words is "one hundred thirty-one million, eight hundred ninety-two thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 37 74 111 222 1369 2738 4107 8214 16057 32114 48171 96342 594109 1188218 1782327 3564654 21982033 43964066 65946099 131892198