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48848681 = 76978383
BaseRepresentation
bin1011101001010…
…1111100101001
310101220202210102
42322111330221
5100001124211
64502555145
71132130660
oct272257451
9111822712
1048848681
1125634812
1214438ab5
13a17435b
1466b7dd7
15444da3b
hex2e95f29

48848681 has 4 divisors (see below), whose sum is σ = 55827072. Its totient is φ = 41870292.

The previous prime is 48848663. The next prime is 48848689. The reversal of 48848681 is 18684884.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48848681 - 214 = 48832297 is a prime.

It is a super-2 number, since 2×488486812 = 4772387270879522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48848689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3489185 + ... + 3489198.

It is an arithmetic number, because the mean of its divisors is an integer number (13956768).

Almost surely, 248848681 is an apocalyptic number.

It is an amenable number.

48848681 is a deficient number, since it is larger than the sum of its proper divisors (6978391).

48848681 is an equidigital number, since it uses as much as digits as its factorization.

48848681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6978390.

The product of its digits is 393216, while the sum is 47.

The square root of 48848681 is about 6989.1831425425. The cubic root of 48848681 is about 365.5535006268.

The spelling of 48848681 in words is "forty-eight million, eight hundred forty-eight thousand, six hundred eighty-one".

Divisors: 1 7 6978383 48848681