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48821895 = 3256716193
BaseRepresentation
bin1011101000111…
…1011010000111
310101212102001100
42322033122013
544444300040
64502231143
71131656613
oct272173207
9111772040
1048821895
1125616681
12144254b3
13a1650c5
1466ac343
154445b30
hex2e8f687

48821895 has 24 divisors (see below), whose sum is σ = 85892976. Its totient is φ = 25648128.

The previous prime is 48821891. The next prime is 48821911. The reversal of 48821895 is 59812884.

It is a happy number.

It is not a de Polignac number, because 48821895 - 22 = 48821891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 48821895.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48821891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5082 + ... + 11111.

It is an arithmetic number, because the mean of its divisors is an integer number (3578874).

Almost surely, 248821895 is an apocalyptic number.

48821895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48821895 is a deficient number, since it is larger than the sum of its proper divisors (37071081).

48821895 is a wasteful number, since it uses less digits than its factorization.

48821895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16271 (or 16268 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 48821895 is about 6987.2666329545. The cubic root of 48821895 is about 365.4866717574.

The spelling of 48821895 in words is "forty-eight million, eight hundred twenty-one thousand, eight hundred ninety-five".

Divisors: 1 3 5 9 15 45 67 201 335 603 1005 3015 16193 48579 80965 145737 242895 728685 1084931 3254793 5424655 9764379 16273965 48821895