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131738398 = 21119930091
BaseRepresentation
bin1111101101000…
…10101100011110
3100011220000002221
413312202230132
5232211112043
621023335554
73156520651
oct766425436
9304800087
10131738398
11683aa010
12381515ba
13213a6b1c
14136d3898
15b8738ed
hex7da2b1e

131738398 has 16 divisors (see below), whose sum is σ = 216662400. Its totient is φ = 59578200.

The previous prime is 131738363. The next prime is 131738401. The reversal of 131738398 is 893837131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10668 + ... + 19423.

It is an arithmetic number, because the mean of its divisors is an integer number (13541400).

Almost surely, 2131738398 is an apocalyptic number.

131738398 is a deficient number, since it is larger than the sum of its proper divisors (84924002).

131738398 is a wasteful number, since it uses less digits than its factorization.

131738398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30303.

The product of its digits is 108864, while the sum is 43.

The square root of 131738398 is about 11477.7348810643. The cubic root of 131738398 is about 508.8277548997.

The spelling of 131738398 in words is "one hundred thirty-one million, seven hundred thirty-eight thousand, three hundred ninety-eight".

Divisors: 1 2 11 22 199 398 2189 4378 30091 60182 331001 662002 5988109 11976218 65869199 131738398