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48645047 = 1137472543
BaseRepresentation
bin1011100110010…
…0001110110111
310101112102110102
42321210032313
544423120142
64454344315
71130322203
oct271441667
9111472412
1048645047
1125505820
121435b09b
13a102769
146663b03
15440d532
hex2e643b7

48645047 has 16 divisors (see below), whose sum is σ = 55683072. Its totient is φ = 42095520.

The previous prime is 48644993. The next prime is 48645053. The reversal of 48645047 is 74054684.

It is a cyclic number.

It is not a de Polignac number, because 48645047 - 218 = 48382903 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48645047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48645067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17858 + ... + 20400.

It is an arithmetic number, because the mean of its divisors is an integer number (3480192).

Almost surely, 248645047 is an apocalyptic number.

48645047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

48645047 is a deficient number, since it is larger than the sum of its proper divisors (7038025).

48645047 is a wasteful number, since it uses less digits than its factorization.

48645047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638.

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 48645047 is about 6974.6001319072. The cubic root of 48645047 is about 365.0448359259.

The spelling of 48645047 in words is "forty-eight million, six hundred forty-five thousand, forty-seven".

Divisors: 1 11 37 47 407 517 1739 2543 19129 27973 94091 119521 1035001 1314731 4422277 48645047