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48959561 = 719368117
BaseRepresentation
bin1011101011000…
…1000001001001
310102010101220002
42322301001021
5100013201221
64505212345
71133102150
oct272610111
9112111802
1048959561
1125700052
12144910b5
13a1b2971
146706597
15447180b
hex2eb1049

48959561 has 8 divisors (see below), whose sum is σ = 58898880. Its totient is φ = 39756528.

The previous prime is 48959549. The next prime is 48959579. The reversal of 48959561 is 16595984.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48959561 - 26 = 48959497 is a prime.

It is a super-2 number, since 2×489595612 = 4794077226625442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48959531) 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, 183926 + ... + 184191.

It is an arithmetic number, because the mean of its divisors is an integer number (7362360).

Almost surely, 248959561 is an apocalyptic number.

It is an amenable number.

48959561 is a deficient number, since it is larger than the sum of its proper divisors (9939319).

48959561 is a wasteful number, since it uses less digits than its factorization.

48959561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368143.

The product of its digits is 388800, while the sum is 47.

The square root of 48959561 is about 6997.1109037945. The cubic root of 48959561 is about 365.8298775394.

The spelling of 48959561 in words is "forty-eight million, nine hundred fifty-nine thousand, five hundred sixty-one".

Divisors: 1 7 19 133 368117 2576819 6994223 48959561