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48699939 = 316233313
BaseRepresentation
bin1011100111000…
…1101000100011
310101122012202110
42321301220203
544431344224
64455450403
71130641221
oct271615043
9111565673
1048699939
1125542a92
1214386a03
13a121742
146679b11
15441e929
hex2e71a23

48699939 has 4 divisors (see below), whose sum is σ = 64933256. Its totient is φ = 32466624.

The previous prime is 48699929. The next prime is 48699967. The reversal of 48699939 is 93999684.

48699939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 48699939 - 28 = 48699683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48699919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8116654 + ... + 8116659.

It is an arithmetic number, because the mean of its divisors is an integer number (16233314).

Almost surely, 248699939 is an apocalyptic number.

48699939 is a deficient number, since it is larger than the sum of its proper divisors (16233317).

48699939 is a wasteful number, since it uses less digits than its factorization.

48699939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16233316.

The product of its digits is 3779136, while the sum is 57.

The square root of 48699939 is about 6978.5341584032. The cubic root of 48699939 is about 365.1820921660.

The spelling of 48699939 in words is "forty-eight million, six hundred ninety-nine thousand, nine hundred thirty-nine".

Divisors: 1 3 16233313 48699939