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137051401 = 409335089
BaseRepresentation
bin10000010101100…
…11110100001001
3100112212221011211
420022303310021
5240041121101
621333253121
73252626524
oct1012636411
9315787154
10137051401
11703a8823
1239a941a1
1322517206
14142b7bbb
15c072c51
hex82b3d09

137051401 has 4 divisors (see below), whose sum is σ = 137386900. Its totient is φ = 136715904.

The previous prime is 137051393. The next prime is 137051407. The reversal of 137051401 is 104150731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79655625 + 57395776 = 8925^2 + 7576^2 .

It is a cyclic number.

It is not a de Polignac number, because 137051401 - 23 = 137051393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137051407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167136 + ... + 167953.

It is an arithmetic number, because the mean of its divisors is an integer number (34346725).

Almost surely, 2137051401 is an apocalyptic number.

It is an amenable number.

137051401 is a deficient number, since it is larger than the sum of its proper divisors (335499).

137051401 is an equidigital number, since it uses as much as digits as its factorization.

137051401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335498.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 137051401 is about 11706.8954467015. The cubic root of 137051401 is about 515.5781373070.

The spelling of 137051401 in words is "one hundred thirty-seven million, fifty-one thousand, four hundred one".

Divisors: 1 409 335089 137051401