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48937979 = 163300233
BaseRepresentation
bin1011101010101…
…1101111111011
310102002022021202
42322223233323
5100012003404
64504524415
71132652216
oct272535773
9112068252
1048937979
1125695912
121448070b
13a1a5bac
1466dc77d
15446a21e
hex2eabbfb

48937979 has 4 divisors (see below), whose sum is σ = 49238376. Its totient is φ = 48637584.

The previous prime is 48937919. The next prime is 48937981. The reversal of 48937979 is 97973984.

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 48937979 - 220 = 47889403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48937909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149954 + ... + 150279.

It is an arithmetic number, because the mean of its divisors is an integer number (12309594).

Almost surely, 248937979 is an apocalyptic number.

48937979 is a deficient number, since it is larger than the sum of its proper divisors (300397).

48937979 is a wasteful number, since it uses less digits than its factorization.

48937979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300396.

The product of its digits is 3429216, while the sum is 56.

The square root of 48937979 is about 6995.5685258598. The cubic root of 48937979 is about 365.7761154776.

The spelling of 48937979 in words is "forty-eight million, nine hundred thirty-seven thousand, nine hundred seventy-nine".

Divisors: 1 163 300233 48937979