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48579661 = 138774261
BaseRepresentation
bin1011100101010…
…0010001001101
310101102002202201
42321110101031
544414022121
64453121501
71126630444
oct271242115
9111362681
1048579661
1125470689
1214329291
13a0aba80
146647d5b
1543e8e91
hex2e5444d

48579661 has 8 divisors (see below), whose sum is σ = 52388504. Its totient is φ = 44781120.

The previous prime is 48579613. The next prime is 48579679. The reversal of 48579661 is 16697584.

It can be written as a sum of positive squares in 4 ways, for example, as 19527561 + 29052100 = 4419^2 + 5390^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 48579661 - 221 = 46482509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48579061) 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, 9271 + ... + 13531.

It is an arithmetic number, because the mean of its divisors is an integer number (6548563).

Almost surely, 248579661 is an apocalyptic number.

It is an amenable number.

48579661 is a deficient number, since it is larger than the sum of its proper divisors (3808843).

48579661 is a wasteful number, since it uses less digits than its factorization.

48579661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151.

The product of its digits is 362880, while the sum is 46.

The square root of 48579661 is about 6969.9111185151. The cubic root of 48579661 is about 364.8812048507.

The spelling of 48579661 in words is "forty-eight million, five hundred seventy-nine thousand, six hundred sixty-one".

Divisors: 1 13 877 4261 11401 55393 3736897 48579661