Search a number
-
+
42013137 = 317823787
BaseRepresentation
bin1010000001000…
…1000111010001
32221001111012010
42200101013101
541223410022
64100253133
71020051165
oct240210721
987044163
1042013137
1121796101
12120a11a9
13891cc5a
145818ca5
153a4d50c
hex28111d1

42013137 has 8 divisors (see below), whose sum is σ = 59312736. Its totient is φ = 26361152.

The previous prime is 42013121. The next prime is 42013163. The reversal of 42013137 is 73131024.

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

It is not a de Polignac number, because 42013137 - 24 = 42013121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42013187) 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, 411843 + ... + 411944.

It is an arithmetic number, because the mean of its divisors is an integer number (7414092).

Almost surely, 242013137 is an apocalyptic number.

It is an amenable number.

42013137 is a deficient number, since it is larger than the sum of its proper divisors (17299599).

42013137 is a wasteful number, since it uses less digits than its factorization.

42013137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823807.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 42013137 is about 6481.7541607191. The cubic root of 42013137 is about 347.6389024266.

The spelling of 42013137 in words is "forty-two million, thirteen thousand, one hundred thirty-seven".

Divisors: 1 3 17 51 823787 2471361 14004379 42013137