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48861149 = 49579857
BaseRepresentation
bin1011101001100…
…0111111011101
310101221101220012
42322120333131
5100002024044
64503133005
71132212221
oct272307735
9111841805
1048861149
1125643117
1214444165
13a179c2c
1466bc781
15445259e
hex2e98fdd

48861149 has 4 divisors (see below), whose sum is σ = 48875964. Its totient is φ = 48846336.

The previous prime is 48861133. The next prime is 48861151. The reversal of 48861149 is 94116884.

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 30525625 + 18335524 = 5525^2 + 4282^2 .

It is a cyclic number.

It is not a de Polignac number, because 48861149 - 24 = 48861133 is a prime.

It is a super-3 number, since 3×488611493 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48861049) 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 3 ways as a sum of consecutive naturals, for example, 29 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (12218991).

Almost surely, 248861149 is an apocalyptic number.

It is an amenable number.

48861149 is a deficient number, since it is larger than the sum of its proper divisors (14815).

48861149 is an equidigital number, since it uses as much as digits as its factorization.

48861149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14814.

The product of its digits is 55296, while the sum is 41.

The square root of 48861149 is about 6990.0750353626. The cubic root of 48861149 is about 365.5845989304.

The spelling of 48861149 in words is "forty-eight million, eight hundred sixty-one thousand, one hundred forty-nine".

Divisors: 1 4957 9857 48861149