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1368850450 = 2521112719597
BaseRepresentation
bin101000110010111…
…0000000000010010
310112101201210210211
41101211300000102
510300411203300
6343455114334
745631015432
oct12145600022
93471653724
101368850450
11642753670
123225129aa
1318a7934a6
14cdb242c2
15802904ba
hex51970012

1368850450 has 48 divisors (see below), whose sum is σ = 2799535104. Its totient is φ = 493819200.

The previous prime is 1368850429. The next prime is 1368850453. The reversal of 1368850450 is 540588631.

1368850450 = 2062 + 2072 + ... + 16022.

It is not an unprimeable number, because it can be changed into a prime (1368850453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60052 + ... + 79648.

It is an arithmetic number, because the mean of its divisors is an integer number (58323648).

Almost surely, 21368850450 is an apocalyptic number.

1368850450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368850450 is an abundant number, since it is smaller than the sum of its proper divisors (1430684654).

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

1368850450 is a wasteful number, since it uses less digits than its factorization.

1368850450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19747 (or 19742 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1368850450 is about 36997.9789988588. The cubic root of 1368850450 is about 1110.3298129854.

The spelling of 1368850450 in words is "one billion, three hundred sixty-eight million, eight hundred fifty thousand, four hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 127 254 275 550 635 1270 1397 2794 3175 6350 6985 13970 19597 34925 39194 69850 97985 195970 215567 431134 489925 979850 1077835 2155670 2488819 4977638 5389175 10778350 12444095 24888190 27377009 54754018 62220475 124440950 136885045 273770090 684425225 1368850450