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48651631 = 715744269
BaseRepresentation
bin1011100110010…
…1110101101111
310101112202111021
42321211311233
544423323011
64454435011
71130350330
oct271456557
9111482437
1048651631
112550a766
1214362a67
13a105762
146666287
154410471
hex2e65d6f

48651631 has 8 divisors (see below), whose sum is σ = 55957280. Its totient is φ = 41434848.

The previous prime is 48651607. The next prime is 48651641. The reversal of 48651631 is 13615684.

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 48651631 - 223 = 40263023 is a prime.

It is a super-2 number, since 2×486516312 = 4733962397920322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48651641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21036 + ... + 23233.

It is an arithmetic number, because the mean of its divisors is an integer number (6994660).

Almost surely, 248651631 is an apocalyptic number.

48651631 is a deficient number, since it is larger than the sum of its proper divisors (7305649).

48651631 is a wasteful number, since it uses less digits than its factorization.

48651631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44433.

The product of its digits is 17280, while the sum is 34.

The square root of 48651631 is about 6975.0721143225. The cubic root of 48651631 is about 365.0613045212.

The spelling of 48651631 in words is "forty-eight million, six hundred fifty-one thousand, six hundred thirty-one".

Divisors: 1 7 157 1099 44269 309883 6950233 48651631