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1025823112 = 23179777761
BaseRepresentation
bin111101001001001…
…101000110001000
32122111021012202121
4331021031012020
54100102314422
6245442541024
734264231636
oct7511150610
92574235677
101025823112
114870610a6
12247667774
131346abc32
149a350356
15600d28c7
hex3d24d188

1025823112 has 32 divisors (see below), whose sum is σ = 2057582520. Its totient is φ = 477757440.

The previous prime is 1025823107. The next prime is 1025823143. The reversal of 1025823112 is 2113285201.

It can be written as a sum of positive squares in 4 ways, for example, as 882446436 + 143376676 = 29706^2 + 11974^2 .

It is a super-2 number, since 2×10258231122 = 2104626114226729088, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25689 + ... + 52072.

Almost surely, 21025823112 is an apocalyptic number.

It is an amenable number.

1025823112 is an abundant number, since it is smaller than the sum of its proper divisors (1031759408).

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

1025823112 is a wasteful number, since it uses less digits than its factorization.

1025823112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77881 (or 77877 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1025823112 is about 32028.4734572224. The cubic root of 1025823112 is about 1008.5346564174.

The spelling of 1025823112 in words is "one billion, twenty-five million, eight hundred twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 68 97 136 194 388 776 1649 3298 6596 13192 77761 155522 311044 622088 1321937 2643874 5287748 7542817 10575496 15085634 30171268 60342536 128227889 256455778 512911556 1025823112