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48891660 = 22351747933
BaseRepresentation
bin1011101010000…
…0011100001100
310101222221202020
42322200130030
5100004013120
64503530140
71132400166
oct272403414
9111887666
1048891660
1125664034
1214459950
13a18aa9c
1466c9936
15445b640
hex2ea070c

48891660 has 48 divisors (see below), whose sum is σ = 144952416. Its totient is φ = 12270592.

The previous prime is 48891659. The next prime is 48891673. The reversal of 48891660 is 6619884.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22947 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (3019842).

Almost surely, 248891660 is an apocalyptic number.

It is an amenable number.

48891660 is an abundant number, since it is smaller than the sum of its proper divisors (96060756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48891660 is a wasteful number, since it uses less digits than its factorization.

48891660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47962 (or 47960 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 48891660 is about 6992.2571463012. The cubic root of 48891660 is about 365.6606786718.

The spelling of 48891660 in words is "forty-eight million, eight hundred ninety-one thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 102 170 204 255 340 510 1020 47933 95866 143799 191732 239665 287598 479330 575196 718995 814861 958660 1437990 1629722 2444583 2875980 3259444 4074305 4889166 8148610 9778332 12222915 16297220 24445830 48891660