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4080648025 = 521097148793
BaseRepresentation
bin1111001100111001…
…1011111101011001
3101112101110101202001
43303032123331121
531324121214100
61512530241001
7203056636006
oct36316337531
911471411661
104080648025
111804468293
1295a726161
1350054aa3c
142a9d488ad
1518d3a5d6a
hexf339bf59

4080648025 has 12 divisors (see below), whose sum is σ = 5064650172. Its totient is φ = 3261520640.

The previous prime is 4080648001. The next prime is 4080648043. The reversal of 4080648025 is 5208460804.

It can be written as a sum of positive squares in 6 ways, for example, as 662959504 + 3417688521 = 25748^2 + 58461^2 .

It is a de Polignac number, because none of the positive numbers 2k-4080648025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46972 + ... + 101821.

It is an arithmetic number, because the mean of its divisors is an integer number (422054181).

Almost surely, 24080648025 is an apocalyptic number.

It is an amenable number.

4080648025 is a deficient number, since it is larger than the sum of its proper divisors (984002147).

4080648025 is a wasteful number, since it uses less digits than its factorization.

4080648025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149900 (or 149895 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 4080648025 is about 63879.9501017338. The cubic root of 4080648025 is about 1597.9985423203.

It can be divided in two parts, 40806 and 48025, that added together give a triangular number (88831 = T421).

The spelling of 4080648025 in words is "four billion, eighty million, six hundred forty-eight thousand, twenty-five".

Divisors: 1 5 25 1097 5485 27425 148793 743965 3719825 163225921 816129605 4080648025