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137200171 = 1283106937
BaseRepresentation
bin10000010110110…
…00001000101011
3100120011111020211
420023120020223
5240110401141
621340401551
73254116333
oct1013301053
9316144224
10137200171
117049a579
1239b462b7
1322569b44
14143160c3
15c0a1d81
hex82d822b

137200171 has 4 divisors (see below), whose sum is σ = 137308392. Its totient is φ = 137091952.

The previous prime is 137200139. The next prime is 137200177. The reversal of 137200171 is 171002731.

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

It is a cyclic number.

It is not a de Polignac number, because 137200171 - 25 = 137200139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137200177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52186 + ... + 54751.

It is an arithmetic number, because the mean of its divisors is an integer number (34327098).

Almost surely, 2137200171 is an apocalyptic number.

137200171 is a deficient number, since it is larger than the sum of its proper divisors (108221).

137200171 is a wasteful number, since it uses less digits than its factorization.

137200171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108220.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 137200171 is about 11713.2476709066. The cubic root of 137200171 is about 515.7646240849.

The spelling of 137200171 in words is "one hundred thirty-seven million, two hundred thousand, one hundred seventy-one".

Divisors: 1 1283 106937 137200171