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131683354 = 21135916673
BaseRepresentation
bin1111101100101…
…01010000011010
3100011210012121021
413312111100122
5232202331404
621022233054
73156201325
oct766252032
9304705537
10131683354
1168371720
123812578a
1321387a5a
14136bb7bc
15b862454
hex7d9541a

131683354 has 16 divisors (see below), whose sum is σ = 216095040. Its totient is φ = 59685760.

The previous prime is 131683351. The next prime is 131683373. The reversal of 131683354 is 453386131.

It is not an unprimeable number, because it can be changed into a prime (131683351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439 + ... + 16234.

It is an arithmetic number, because the mean of its divisors is an integer number (13505940).

Almost surely, 2131683354 is an apocalyptic number.

131683354 is a deficient number, since it is larger than the sum of its proper divisors (84411686).

131683354 is a wasteful number, since it uses less digits than its factorization.

131683354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045.

The product of its digits is 25920, while the sum is 34.

The square root of 131683354 is about 11475.3367706573. The cubic root of 131683354 is about 508.7568775217.

The spelling of 131683354 in words is "one hundred thirty-one million, six hundred eighty-three thousand, three hundred fifty-four".

Divisors: 1 2 11 22 359 718 3949 7898 16673 33346 183403 366806 5985607 11971214 65841677 131683354