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48271891 = 1714891907
BaseRepresentation
bin1011100000100…
…1001000010011
310100211110120211
42320021020103
544324200031
64442344551
71124206243
oct270111023
9110743524
1048271891
1125280428
12141bb157
13a001965
1465a7b23
154387bb1
hex2e09213

48271891 has 8 divisors (see below), whose sum is σ = 51172560. Its totient is φ = 45378048.

The previous prime is 48271889. The next prime is 48271897. The reversal of 48271891 is 19817284.

It is a happy number.

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 48271891 - 21 = 48271889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48271897) 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, 24360 + ... + 26266.

It is an arithmetic number, because the mean of its divisors is an integer number (6396570).

Almost surely, 248271891 is an apocalyptic number.

48271891 is a deficient number, since it is larger than the sum of its proper divisors (2900669).

48271891 is a wasteful number, since it uses less digits than its factorization.

48271891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413.

The product of its digits is 32256, while the sum is 40.

The square root of 48271891 is about 6947.7975646963. The cubic root of 48271891 is about 364.1090196936.

The spelling of 48271891 in words is "forty-eight million, two hundred seventy-one thousand, eight hundred ninety-one".

Divisors: 1 17 1489 1907 25313 32419 2839523 48271891