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137858241 = 389516323
BaseRepresentation
bin10000011011110…
…00110011000001
3100121101220221210
420031320303001
5240242430431
621402440333
73262530033
oct1015706301
9317356853
10137858241
11708a9a34
123a2030a9
132273a531
1414447c53
15c181d46
hex8378cc1

137858241 has 8 divisors (see below), whose sum is σ = 185876640. Its totient is φ = 90872672.

The previous prime is 137858221. The next prime is 137858249. The reversal of 137858241 is 142858731.

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 137858241 - 29 = 137857729 is a prime.

It is a super-2 number, since 2×1378582412 = 38009789223228162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 137858241.

It is not an unprimeable number, because it can be changed into a prime (137858249) 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, 257895 + ... + 258428.

It is an arithmetic number, because the mean of its divisors is an integer number (23234580).

Almost surely, 2137858241 is an apocalyptic number.

It is an amenable number.

137858241 is a deficient number, since it is larger than the sum of its proper divisors (48018399).

137858241 is an equidigital number, since it uses as much as digits as its factorization.

137858241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516415.

The product of its digits is 53760, while the sum is 39.

The square root of 137858241 is about 11741.3049104433. The cubic root of 137858241 is about 516.5879175620.

The spelling of 137858241 in words is "one hundred thirty-seven million, eight hundred fifty-eight thousand, two hundred forty-one".

Divisors: 1 3 89 267 516323 1548969 45952747 137858241