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48818661 = 316272887
BaseRepresentation
bin1011101000111…
…0100111100101
310101212020121120
42322032213211
544444144121
64502204153
71131644313
oct272164745
9111766546
1048818661
1125614201
1214423659
13a1637a8
1466ab0b3
154444bc6
hex2e8e9e5

48818661 has 4 divisors (see below), whose sum is σ = 65091552. Its totient is φ = 32545772.

The previous prime is 48818639. The next prime is 48818681. The reversal of 48818661 is 16681884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48818661 - 26 = 48818597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48818681) 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, 8136441 + ... + 8136446.

It is an arithmetic number, because the mean of its divisors is an integer number (16272888).

Almost surely, 248818661 is an apocalyptic number.

It is an amenable number.

48818661 is a deficient number, since it is larger than the sum of its proper divisors (16272891).

48818661 is a wasteful number, since it uses less digits than its factorization.

48818661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16272890.

The product of its digits is 73728, while the sum is 42.

The square root of 48818661 is about 6987.0352081552. The cubic root of 48818661 is about 365.4786015395.

The spelling of 48818661 in words is "forty-eight million, eight hundred eighteen thousand, six hundred sixty-one".

Divisors: 1 3 16272887 48818661