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48689278 = 2115937511
BaseRepresentation
bin1011100110111…
…1000001111110
310101121200010121
42321233001332
544431024103
64455325154
71130565151
oct271570176
9111550117
1048689278
1125535a80
12143807ba
13a119931
146675c98
15441b6bd
hex2e6f07e

48689278 has 16 divisors (see below), whose sum is σ = 81025920. Its totient is φ = 21755800.

The previous prime is 48689273. The next prime is 48689297. The reversal of 48689278 is 87298684.

It is a super-2 number, since 2×486892782 = 4741291584322568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48689273) 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, 17458 + ... + 20053.

It is an arithmetic number, because the mean of its divisors is an integer number (5064120).

Almost surely, 248689278 is an apocalyptic number.

48689278 is a deficient number, since it is larger than the sum of its proper divisors (32336642).

48689278 is a wasteful number, since it uses less digits than its factorization.

48689278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37583.

The product of its digits is 1548288, while the sum is 52.

The square root of 48689278 is about 6977.7702742352. The cubic root of 48689278 is about 365.1554426431.

The spelling of 48689278 in words is "forty-eight million, six hundred eighty-nine thousand, two hundred seventy-eight".

Divisors: 1 2 11 22 59 118 649 1298 37511 75022 412621 825242 2213149 4426298 24344639 48689278