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48436945 = 59687389
BaseRepresentation
bin1011100011000…
…1011011010001
310101010211222221
42320301123101
544344440240
64450101041
71125464404
oct270613321
9111124887
1048436945
1125383437
121427a781
13a05bb1b
14660bd3b
1543bba4a
hex2e316d1

48436945 has 4 divisors (see below), whose sum is σ = 58124340. Its totient is φ = 38749552.

The previous prime is 48436943. The next prime is 48436951. The reversal of 48436945 is 54963484.

It is a happy number.

48436945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31404816 + 17032129 = 5604^2 + 4127^2 .

It is a cyclic number.

It is not a de Polignac number, because 48436945 - 21 = 48436943 is a prime.

It is a super-2 number, since 2×484369452 = 4692275281866050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48436943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4843690 + ... + 4843699.

It is an arithmetic number, because the mean of its divisors is an integer number (14531085).

Almost surely, 248436945 is an apocalyptic number.

It is an amenable number.

48436945 is a deficient number, since it is larger than the sum of its proper divisors (9687395).

48436945 is an equidigital number, since it uses as much as digits as its factorization.

48436945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9687394.

The product of its digits is 414720, while the sum is 43.

The square root of 48436945 is about 6959.6655810463. The cubic root of 48436945 is about 364.5235417013.

The spelling of 48436945 in words is "forty-eight million, four hundred thirty-six thousand, nine hundred forty-five".

Divisors: 1 5 9687389 48436945