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137497801 = 744234441
BaseRepresentation
bin10000011001000…
…00110011001001
3100120201121112011
420030200303021
5240144412201
621351015521
73256466140
oct1014406311
9316647464
10137497801
1170683151
123a06a5a1
132264245c
1414392757
15c110151
hex8320cc9

137497801 has 8 divisors (see below), whose sum is σ = 157211264. Its totient is φ = 117802080.

The previous prime is 137497793. The next prime is 137497807. The reversal of 137497801 is 108794731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 137497801 - 23 = 137497793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137497807) 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, 28741 + ... + 33181.

It is an arithmetic number, because the mean of its divisors is an integer number (19651408).

Almost surely, 2137497801 is an apocalyptic number.

It is an amenable number.

137497801 is a deficient number, since it is larger than the sum of its proper divisors (19713463).

137497801 is an equidigital number, since it uses as much as digits as its factorization.

137497801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 137497801 is about 11725.9456335086. The cubic root of 137497801 is about 516.1373062178.

The spelling of 137497801 in words is "one hundred thirty-seven million, four hundred ninety-seven thousand, eight hundred one".

Divisors: 1 7 4423 4441 30961 31087 19642543 137497801