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137052897 = 345684299
BaseRepresentation
bin10000010101101…
…00001011100001
3100112220000020020
420022310023201
5240041143042
621333304053
73252634062
oct1012641341
9315800206
10137052897
11703a9963
1239a95029
1322517ab7
14142b8569
15c0733ec
hex82b42e1

137052897 has 4 divisors (see below), whose sum is σ = 182737200. Its totient is φ = 91368596.

The previous prime is 137052887. The next prime is 137052907. The reversal of 137052897 is 798250731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 798250731 = 3266083577.

It is an interprime number because it is at equal distance from previous prime (137052887) and next prime (137052907).

It is a cyclic number.

It is not a de Polignac number, because 137052897 - 215 = 137020129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137052887) 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, 22842147 + ... + 22842152.

It is an arithmetic number, because the mean of its divisors is an integer number (45684300).

Almost surely, 2137052897 is an apocalyptic number.

It is an amenable number.

137052897 is a deficient number, since it is larger than the sum of its proper divisors (45684303).

137052897 is an equidigital number, since it uses as much as digits as its factorization.

137052897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684302.

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 137052897 is about 11706.9593404949. The cubic root of 137052897 is about 515.5800132505.

The spelling of 137052897 in words is "one hundred thirty-seven million, fifty-two thousand, eight hundred ninety-seven".

Divisors: 1 3 45684299 137052897