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137582493 = 356980599
BaseRepresentation
bin10000011001101…
…01011110011101
3100120212220200220
420030311132131
5240210114433
621352511553
73260301066
oct1014653635
9316786626
10137582493
1170730844
123a0ab5b9
1322671b79
14143b556d
15c12a2b3
hex833579d

137582493 has 8 divisors (see below), whose sum is σ = 183768000. Its totient is φ = 91559328.

The previous prime is 137582491. The next prime is 137582509. The reversal of 137582493 is 394285731.

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

It is not a de Polignac number, because 137582493 - 21 = 137582491 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137582491) 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, 38593 + ... + 42006.

It is an arithmetic number, because the mean of its divisors is an integer number (22971000).

Almost surely, 2137582493 is an apocalyptic number.

It is an amenable number.

137582493 is a deficient number, since it is larger than the sum of its proper divisors (46185507).

137582493 is an equidigital number, since it uses as much as digits as its factorization.

137582493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81171.

The product of its digits is 181440, while the sum is 42.

The square root of 137582493 is about 11729.5563854734. The cubic root of 137582493 is about 516.2432563458.

It can be divided in two parts, 137582 and 493, that added together give a triangular number (138075 = T525).

The spelling of 137582493 in words is "one hundred thirty-seven million, five hundred eighty-two thousand, four hundred ninety-three".

Divisors: 1 3 569 1707 80599 241797 45860831 137582493