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48557891 = 615691399
BaseRepresentation
bin1011100100111…
…0111101000011
310101100222220102
42321032331003
544412323031
64452433015
71126510124
oct271167503
9111328812
1048557891
1125456298
121431876b
13a0a1ba5
14664004b
1543e27cb
hex2e4ef43

48557891 has 8 divisors (see below), whose sum is σ = 49476000. Its totient is φ = 47643840.

The previous prime is 48557851. The next prime is 48557897. The reversal of 48557891 is 19875584.

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

It is a cyclic number.

It is not a de Polignac number, because 48557891 - 26 = 48557827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48557897) 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, 34010 + ... + 35408.

It is an arithmetic number, because the mean of its divisors is an integer number (6184500).

Almost surely, 248557891 is an apocalyptic number.

48557891 is a deficient number, since it is larger than the sum of its proper divisors (918109).

48557891 is a wasteful number, since it uses less digits than its factorization.

48557891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029.

The product of its digits is 403200, while the sum is 47.

The square root of 48557891 is about 6968.3492306284. The cubic root of 48557891 is about 364.8266919776.

The spelling of 48557891 in words is "forty-eight million, five hundred fifty-seven thousand, eight hundred ninety-one".

Divisors: 1 61 569 1399 34709 85339 796031 48557891