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48909725 = 525336913
BaseRepresentation
bin1011101010010…
…0110110011101
310102000212112022
42322210312131
5100010102400
64504145525
71132503644
oct272446635
9112025468
1048909725
1125676667
12144682a5
13a196087
1466d235b
154461b85
hex2ea4d9d

48909725 has 12 divisors (see below), whose sum is σ = 61794036. Its totient is φ = 38388480.

The previous prime is 48909719. The next prime is 48909727. The reversal of 48909725 is 52790984.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5098564 + 43811161 = 2258^2 + 6619^2 .

It is not a de Polignac number, because 48909725 - 210 = 48908701 is a prime.

It is a super-2 number, since 2×489097252 = 4784322399151250, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48909727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17132 + ... + 19781.

It is an arithmetic number, because the mean of its divisors is an integer number (5149503).

Almost surely, 248909725 is an apocalyptic number.

It is an amenable number.

48909725 is a deficient number, since it is larger than the sum of its proper divisors (12884311).

48909725 is a wasteful number, since it uses less digits than its factorization.

48909725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36976 (or 36971 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 48909725 is about 6993.5488130133. The cubic root of 48909725 is about 365.7057091654.

The spelling of 48909725 in words is "forty-eight million, nine hundred nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 53 265 1325 36913 184565 922825 1956389 9781945 48909725