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1025407264 = 2574577711
BaseRepresentation
bin111101000111100…
…111100100100000
32122110111002022211
4331013213210200
54100001013024
6245430011504
734260550360
oct7507474440
92573432284
101025407264
114868a7722
122474a6b94
1313459487b
149a2829a0
156004e594
hex3d1e7920

1025407264 has 24 divisors (see below), whose sum is σ = 2307166848. Its totient is φ = 439460160.

The previous prime is 1025407237. The next prime is 1025407301. The reversal of 1025407264 is 4627045201.

1025407264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2288632 + ... + 2289079.

It is an arithmetic number, because the mean of its divisors is an integer number (96131952).

Almost surely, 21025407264 is an apocalyptic number.

1025407264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1025407264 is an abundant number, since it is smaller than the sum of its proper divisors (1281759584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025407264 is an equidigital number, since it uses as much as digits as its factorization.

1025407264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4577728 (or 4577720 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 1025407264 is about 32021.9809505908. The cubic root of 1025407264 is about 1008.3983581286.

The spelling of 1025407264 in words is "one billion, twenty-five million, four hundred seven thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 4577711 9155422 18310844 32043977 36621688 64087954 73243376 128175908 146486752 256351816 512703632 1025407264