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47874039 = 315958013
BaseRepresentation
bin1011011010011…
…1111111110111
310100002020211120
42312213333313
544223432124
64430035023
71120631313
oct266477767
9110066746
1047874039
1125029524
1214048a73
139bc2845
146502b43
154309d79
hex2da7ff7

47874039 has 4 divisors (see below), whose sum is σ = 63832056. Its totient is φ = 31916024.

The previous prime is 47874011. The next prime is 47874061. The reversal of 47874039 is 93047874.

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 47874039 - 28 = 47873783 is a prime.

It is a super-2 number, since 2×478740392 = 4583847220347042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47874139) 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, 7979004 + ... + 7979009.

It is an arithmetic number, because the mean of its divisors is an integer number (15958014).

Almost surely, 247874039 is an apocalyptic number.

47874039 is a deficient number, since it is larger than the sum of its proper divisors (15958017).

47874039 is a wasteful number, since it uses less digits than its factorization.

47874039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15958016.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 47874039 is about 6919.1068065177. The cubic root of 47874039 is about 363.1059424096.

The spelling of 47874039 in words is "forty-seven million, eight hundred seventy-four thousand, thirty-nine".

Divisors: 1 3 15958013 47874039