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48568840 = 2351214221
BaseRepresentation
bin1011100101000…
…1101000001000
310101101112220221
42321101220020
544413200330
64452555424
71126554055
oct271215010
9111345827
1048568840
1125463541
1214322b74
13a0a6b78
14664402c
1543e5b7a
hex2e51a08

48568840 has 16 divisors (see below), whose sum is σ = 109279980. Its totient is φ = 19427520.

The previous prime is 48568837. The next prime is 48568841. The reversal of 48568840 is 4886584.

It can be written as a sum of positive squares in 2 ways, for example, as 45131524 + 3437316 = 6718^2 + 1854^2 .

It is not an unprimeable number, because it can be changed into a prime (48568841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 607071 + ... + 607150.

Almost surely, 248568840 is an apocalyptic number.

48568840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48568840 is an abundant number, since it is smaller than the sum of its proper divisors (60711140).

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

48568840 is a wasteful number, since it uses less digits than its factorization.

48568840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214232 (or 1214228 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 48568840 is about 6969.1348100033. The cubic root of 48568840 is about 364.8541107086.

The spelling of 48568840 in words is "forty-eight million, five hundred sixty-eight thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 1214221 2428442 4856884 6071105 9713768 12142210 24284420 48568840