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1045193928 = 23389643761
BaseRepresentation
bin111110010011000…
…110010011001000
32200211201100112020
4332103012103020
54120032201203
6251414044440
734621000422
oct7623062310
92624640466
101045193928
11496a91739
12252049720
13138701b5c
149cb53812
1561b5c153
hex3e4c64c8

1045193928 has 64 divisors (see below), whose sum is σ = 2649931200. Its totient is φ = 343495680.

The previous prime is 1045193927. The next prime is 1045193953. The reversal of 1045193928 is 8293915401.

It is a self number, because there is not a number n which added to its sum of digits gives 1045193928.

It is not an unprimeable number, because it can be changed into a prime (1045193927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373068 + ... + 1373828.

It is an arithmetic number, because the mean of its divisors is an integer number (41405175).

Almost surely, 21045193928 is an apocalyptic number.

It is an amenable number.

1045193928 is an abundant number, since it is smaller than the sum of its proper divisors (1604737272).

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

1045193928 is a wasteful number, since it uses less digits than its factorization.

1045193928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502 (or 1498 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1045193928 is about 32329.4591355933. The cubic root of 1045193928 is about 1014.8432310639.

The spelling of 1045193928 in words is "one billion, forty-five million, one hundred ninety-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 89 178 267 356 534 643 712 761 1068 1286 1522 1929 2136 2283 2572 3044 3858 4566 5144 6088 7716 9132 15432 18264 57227 67729 114454 135458 171681 203187 228908 270916 343362 406374 457816 489323 541832 686724 812748 978646 1373448 1467969 1625496 1957292 2935938 3914584 5871876 11743752 43549747 87099494 130649241 174198988 261298482 348397976 522596964 1045193928