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137446801 = 413352361
BaseRepresentation
bin10000011000101…
…00010110010001
3100120122000120021
420030110112101
5240141244201
621345543441
73256164352
oct1014242621
9316560507
10137446801
11706488a8
123a044b81
132262518b
141437bd29
15c0eeea1
hex8314591

137446801 has 4 divisors (see below), whose sum is σ = 140799204. Its totient is φ = 134094400.

The previous prime is 137446789. The next prime is 137446811. The reversal of 137446801 is 108644731.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108644731 = 138357287.

It can be written as a sum of positive squares in 2 ways, for example, as 15366400 + 122080401 = 3920^2 + 11049^2 .

It is a cyclic number.

It is not a de Polignac number, because 137446801 - 217 = 137315729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137446811) 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, 1676140 + ... + 1676221.

It is an arithmetic number, because the mean of its divisors is an integer number (35199801).

Almost surely, 2137446801 is an apocalyptic number.

It is an amenable number.

137446801 is a deficient number, since it is larger than the sum of its proper divisors (3352403).

137446801 is an equidigital number, since it uses as much as digits as its factorization.

137446801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352402.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 137446801 is about 11723.7707671210. The cubic root of 137446801 is about 516.0734839660.

The spelling of 137446801 in words is "one hundred thirty-seven million, four hundred forty-six thousand, eight hundred one".

Divisors: 1 41 3352361 137446801