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48881269 = 294735863
BaseRepresentation
bin1011101001110…
…1111001110101
310101222102111101
42322131321311
5100003200034
64503410101
71132324663
oct272357165
9111872441
1048881269
1125657248
1214453931
13a186138
1466c5c33
154458514
hex2e9de75

48881269 has 8 divisors (see below), whose sum is σ = 51644160. Its totient is φ = 46190256.

The previous prime is 48881263. The next prime is 48881291. The reversal of 48881269 is 96218884.

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 48881269 - 29 = 48880757 is a prime.

It is a super-2 number, since 2×488812692 = 4778756918100722, 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 (48881263) 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, 16569 + ... + 19294.

It is an arithmetic number, because the mean of its divisors is an integer number (6455520).

Almost surely, 248881269 is an apocalyptic number.

It is an amenable number.

48881269 is a deficient number, since it is larger than the sum of its proper divisors (2762891).

48881269 is a wasteful number, since it uses less digits than its factorization.

48881269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35939.

The product of its digits is 221184, while the sum is 46.

The square root of 48881269 is about 6991.5140706431. The cubic root of 48881269 is about 365.6347720767.

The spelling of 48881269 in words is "forty-eight million, eight hundred eighty-one thousand, two hundred sixty-nine".

Divisors: 1 29 47 1363 35863 1040027 1685561 48881269