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1368842628 = 223114070219
BaseRepresentation
bin101000110010110…
…1110000110000100
310112101201102002010
41101211232012010
510300410431003
6343455014220
745630653556
oct12145560604
93471642063
101368842628
116427487aa
1232250a370
1318a78ca6a
14cdb214d6
158028d003
hex5196e184

1368842628 has 12 divisors (see below), whose sum is σ = 3193966160. Its totient is φ = 456280872.

The previous prime is 1368842599. The next prime is 1368842641. The reversal of 1368842628 is 8262488631.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 57035098 + ... + 57035121.

Almost surely, 21368842628 is an apocalyptic number.

It is an amenable number.

1368842628 is an abundant number, since it is smaller than the sum of its proper divisors (1825123532).

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

1368842628 is a wasteful number, since it uses less digits than its factorization.

1368842628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114070226 (or 114070224 counting only the distinct ones).

The product of its digits is 884736, while the sum is 48.

The square root of 1368842628 is about 36997.8732902312. The cubic root of 1368842628 is about 1110.3276980682.

The spelling of 1368842628 in words is "one billion, three hundred sixty-eight million, eight hundred forty-two thousand, six hundred twenty-eight".

Divisors: 1 2 3 4 6 12 114070219 228140438 342210657 456280876 684421314 1368842628