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48717890 = 2513374753
BaseRepresentation
bin1011100111011…
…0000001000010
310101200010101022
42321312001002
544432433030
64500105442
71131044444
oct271660102
9111603338
1048717890
1125555521
1214395282
13a129970
146682494
154424de5
hex2e76042

48717890 has 16 divisors (see below), whose sum is σ = 94438008. Its totient is φ = 17988096.

The previous prime is 48717871. The next prime is 48717899. The reversal of 48717890 is 9871784.

It can be written as a sum of positive squares in 4 ways, for example, as 36808489 + 11909401 = 6067^2 + 3451^2 .

It is not an unprimeable number, because it can be changed into a prime (48717899) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 187247 + ... + 187506.

Almost surely, 248717890 is an apocalyptic number.

48717890 is a deficient number, since it is larger than the sum of its proper divisors (45720118).

48717890 is a wasteful number, since it uses less digits than its factorization.

48717890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374773.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 48717890 is about 6979.8201982573. The cubic root of 48717890 is about 365.2269558666.

The spelling of 48717890 in words is "forty-eight million, seven hundred seventeen thousand, eight hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 374753 749506 1873765 3747530 4871789 9743578 24358945 48717890