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48020979 = 316006993
BaseRepresentation
bin1011011100101…
…1110111110011
310100100201101210
42313023313303
544243132404
64433131203
71122112566
oct267136763
9110321353
1048020979
1125119966
12140b9b03
139c446a6
1465404dd
154338689
hex2dcbdf3

48020979 has 4 divisors (see below), whose sum is σ = 64027976. Its totient is φ = 32013984.

The previous prime is 48020957. The next prime is 48021007. The reversal of 48020979 is 97902084.

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

It is not a de Polignac number, because 48020979 - 213 = 48012787 is a prime.

It is a Duffinian number.

48020979 is a modest number, since divided by 20979 gives 48 as remainder.

It is not an unprimeable number, because it can be changed into a prime (48020179) 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, 8003494 + ... + 8003499.

It is an arithmetic number, because the mean of its divisors is an integer number (16006994).

Almost surely, 248020979 is an apocalyptic number.

48020979 is a deficient number, since it is larger than the sum of its proper divisors (16006997).

48020979 is a wasteful number, since it uses less digits than its factorization.

48020979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16006996.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 48020979 is about 6929.7170937925. The cubic root of 48020979 is about 363.4770572060.

The spelling of 48020979 in words is "forty-eight million, twenty thousand, nine hundred seventy-nine".

Divisors: 1 3 16006993 48020979