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48030921 = 333748079
BaseRepresentation
bin1011011100111…
…0010011001001
310100101020001000
42313032103021
544243442141
64433245213
71122153561
oct267162311
9110336030
1048030921
1125126384
1214103809
139c49083
146543da1
15433b5b6
hex2dce4c9

48030921 has 16 divisors (see below), whose sum is σ = 73081600. Its totient is φ = 31154544.

The previous prime is 48030919. The next prime is 48030937. The reversal of 48030921 is 12903084.

It is not a de Polignac number, because 48030921 - 21 = 48030919 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48030911) 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, 23041 + ... + 25038.

It is an arithmetic number, because the mean of its divisors is an integer number (4567600).

Almost surely, 248030921 is an apocalyptic number.

It is an amenable number.

48030921 is a deficient number, since it is larger than the sum of its proper divisors (25050679).

48030921 is a wasteful number, since it uses less digits than its factorization.

48030921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48125 (or 48119 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 48030921 is about 6930.4344019693. The cubic root of 48030921 is about 363.5021395736.

The spelling of 48030921 in words is "forty-eight million, thirty thousand, nine hundred twenty-one".

Divisors: 1 3 9 27 37 111 333 999 48079 144237 432711 1298133 1778923 5336769 16010307 48030921