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48717490 = 2540112149
BaseRepresentation
bin1011100111010…
…1111010110010
310101200002211111
42321311322302
544432424430
64500103534
71131043333
oct271657262
9111602744
1048717490
1125555198
1214394baa
13a129723
14668228a
154424c2a
hex2e75eb2

48717490 has 16 divisors (see below), whose sum is σ = 87917400. Its totient is φ = 19436800.

The previous prime is 48717481. The next prime is 48717491. The reversal of 48717490 is 9471784.

It can be written as a sum of positive squares in 4 ways, for example, as 46635241 + 2082249 = 6829^2 + 1443^2 .

It is not an unprimeable number, because it can be changed into a prime (48717491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2065 + ... + 10084.

Almost surely, 248717490 is an apocalyptic number.

48717490 is a deficient number, since it is larger than the sum of its proper divisors (39199910).

48717490 is a wasteful number, since it uses less digits than its factorization.

48717490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12557.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 48717490 is about 6979.7915441652. The cubic root of 48717490 is about 365.2259562942.

The spelling of 48717490 in words is "forty-eight million, seven hundred seventeen thousand, four hundred ninety".

Divisors: 1 2 5 10 401 802 2005 4010 12149 24298 60745 121490 4871749 9743498 24358745 48717490