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1368872774 = 2684436387
BaseRepresentation
bin101000110010111…
…0101011101000110
310112101202221102122
41101211311131012
510300412412044
6343455405542
745631140503
oct12145653506
93471687378
101368872774
11642769415
123225238b2
1318a7a06b9
14cdb2c4aa
1580296dee
hex51975746

1368872774 has 4 divisors (see below), whose sum is σ = 2053309164. Its totient is φ = 684436386.

The previous prime is 1368872741. The next prime is 1368872837. The reversal of 1368872774 is 4772788631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342218192 + ... + 342218195.

It is an arithmetic number, because the mean of its divisors is an integer number (513327291).

Almost surely, 21368872774 is an apocalyptic number.

1368872774 is a deficient number, since it is larger than the sum of its proper divisors (684436390).

1368872774 is an equidigital number, since it uses as much as digits as its factorization.

1368872774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684436389.

The product of its digits is 3161088, while the sum is 53.

The square root of 1368872774 is about 36998.2806897834. The cubic root of 1368872774 is about 1110.3358489182.

The spelling of 1368872774 in words is "one billion, three hundred sixty-eight million, eight hundred seventy-two thousand, seven hundred seventy-four".

Divisors: 1 2 684436387 1368872774