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48863891 = 232124517
BaseRepresentation
bin1011101001100…
…1101010010011
310101221112122202
42322121222103
5100002121031
64503153415
71132223216
oct272315223
9111845582
1048863891
112564518a
121444586b
13a17b25b
1466bd77d
1544532cb
hex2e99a93

48863891 has 4 divisors (see below), whose sum is σ = 50988432. Its totient is φ = 46739352.

The previous prime is 48863887. The next prime is 48863963. The reversal of 48863891 is 19836884.

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 48863891 - 22 = 48863887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48863821) 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, 1062236 + ... + 1062281.

It is an arithmetic number, because the mean of its divisors is an integer number (12747108).

Almost surely, 248863891 is an apocalyptic number.

48863891 is a deficient number, since it is larger than the sum of its proper divisors (2124541).

48863891 is a wasteful number, since it uses less digits than its factorization.

48863891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124540.

The product of its digits is 331776, while the sum is 47.

The square root of 48863891 is about 6990.2711678446. The cubic root of 48863891 is about 365.5914374530.

The spelling of 48863891 in words is "forty-eight million, eight hundred sixty-three thousand, eight hundred ninety-one".

Divisors: 1 23 2124517 48863891