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48828697 = 68577121
BaseRepresentation
bin1011101001000…
…1000100011001
310101212202101021
42322101010121
5100000004242
64502322441
71132015501
oct272210431
9111782337
1048828697
11256207a5
1214429421
13a168228
1466b0a01
154447b67
hex2e91119

48828697 has 4 divisors (see below), whose sum is σ = 48842676. Its totient is φ = 48814720.

The previous prime is 48828679. The next prime is 48828737. The reversal of 48828697 is 79682884.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 678976 + 48149721 = 824^2 + 6939^2 .

It is a cyclic number.

It is not a de Polignac number, because 48828697 - 27 = 48828569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48828497) 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 3 ways as a sum of consecutive naturals, for example, 3297 + ... + 10417.

It is an arithmetic number, because the mean of its divisors is an integer number (12210669).

Almost surely, 248828697 is an apocalyptic number.

It is an amenable number.

48828697 is a deficient number, since it is larger than the sum of its proper divisors (13979).

48828697 is an equidigital number, since it uses as much as digits as its factorization.

48828697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13978.

The product of its digits is 1548288, while the sum is 52.

The square root of 48828697 is about 6987.7533585552. The cubic root of 48828697 is about 365.5036445036.

The spelling of 48828697 in words is "forty-eight million, eight hundred twenty-eight thousand, six hundred ninety-seven".

Divisors: 1 6857 7121 48828697