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137741473 = 891547657
BaseRepresentation
bin10000011010111…
…00010010100001
3100121011222210001
420031130102201
5240230211343
621400140001
73261532432
oct1015342241
9317158701
10137741473
117082a231
123a167601
13226c933c
1414417489
15c15c44d
hex835c4a1

137741473 has 4 divisors (see below), whose sum is σ = 139289220. Its totient is φ = 136193728.

The previous prime is 137741467. The next prime is 137741501. The reversal of 137741473 is 374147731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 374147731 = 649157641.

It can be written as a sum of positive squares in 2 ways, for example, as 97950609 + 39790864 = 9897^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 137741473 - 29 = 137740961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137741453) 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, 773740 + ... + 773917.

It is an arithmetic number, because the mean of its divisors is an integer number (34822305).

Almost surely, 2137741473 is an apocalyptic number.

It is an amenable number.

137741473 is a deficient number, since it is larger than the sum of its proper divisors (1547747).

137741473 is an equidigital number, since it uses as much as digits as its factorization.

137741473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547746.

The product of its digits is 49392, while the sum is 37.

The square root of 137741473 is about 11736.3313262706. The cubic root of 137741473 is about 516.4420237886.

The spelling of 137741473 in words is "one hundred thirty-seven million, seven hundred forty-one thousand, four hundred seventy-three".

Divisors: 1 89 1547657 137741473