Search a number
-
+
137057827 = 215363659
BaseRepresentation
bin10000010101101…
…01011000100011
3100112220020222211
420022311120203
5240041322302
621333342551
73252654334
oct1012653043
9315806884
10137057827
1170402635
1239a97a57
132251a10a
14142ba28b
15c074ad7
hex82b5623

137057827 has 4 divisors (see below), whose sum is σ = 137123640. Its totient is φ = 136992016.

The previous prime is 137057821. The next prime is 137057831. The reversal of 137057827 is 728750731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 137057827 - 23 = 137057819 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137057827.

It is not an unprimeable number, because it can be changed into a prime (137057821) 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, 29677 + ... + 33982.

It is an arithmetic number, because the mean of its divisors is an integer number (34280910).

Almost surely, 2137057827 is an apocalyptic number.

137057827 is a deficient number, since it is larger than the sum of its proper divisors (65813).

137057827 is an equidigital number, since it uses as much as digits as its factorization.

137057827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65812.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 137057827 is about 11707.1698971186. The cubic root of 137057827 is about 515.5861952407.

The spelling of 137057827 in words is "one hundred thirty-seven million, fifty-seven thousand, eight hundred twenty-seven".

Divisors: 1 2153 63659 137057827