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1045285428 = 223117918829
BaseRepresentation
bin111110010011011…
…100101000110100
32200211220000001010
4332103130220310
54120043113203
6251420032220
734621531245
oct7623345064
92624800033
101045285428
11497044460
12252092670
131387346b5
149cb78ccc
1561b79303
hex3e4dca34

1045285428 has 24 divisors (see below), whose sum is σ = 2660726880. Its totient is φ = 316753120.

The previous prime is 1045285427. The next prime is 1045285441. The reversal of 1045285428 is 8245825401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045285427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3959283 + ... + 3959546.

It is an arithmetic number, because the mean of its divisors is an integer number (110863620).

Almost surely, 21045285428 is an apocalyptic number.

It is an amenable number.

1045285428 is an abundant number, since it is smaller than the sum of its proper divisors (1615441452).

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

1045285428 is a wasteful number, since it uses less digits than its factorization.

1045285428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7918847 (or 7918845 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 1045285428 is about 32330.8742226374. The cubic root of 1045285428 is about 1014.8728445304.

The spelling of 1045285428 in words is "one billion, forty-five million, two hundred eighty-five thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 7918829 15837658 23756487 31675316 47512974 87107119 95025948 174214238 261321357 348428476 522642714 1045285428