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1381494298 = 210313151193
BaseRepresentation
bin101001001010111…
…1110111000011010
310120021112011220111
41102111332320122
510312130304143
6345030114534
746143336112
oct12225767032
93507464814
101381494298
116498aa128
123267aba4a
1319029c562
14d1696042
158143b99d
hex5257ee1a

1381494298 has 16 divisors (see below), whose sum is σ = 2108373696. Its totient is φ = 678805920.

The previous prime is 1381494277. The next prime is 1381494311. The reversal of 1381494298 is 8924941831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1390 + ... + 52582.

It is an arithmetic number, because the mean of its divisors is an integer number (131773356).

Almost surely, 21381494298 is an apocalyptic number.

1381494298 is a deficient number, since it is larger than the sum of its proper divisors (726879398).

1381494298 is a wasteful number, since it uses less digits than its factorization.

1381494298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51429.

The product of its digits is 497664, while the sum is 49.

The square root of 1381494298 is about 37168.4583753483. The cubic root of 1381494298 is about 1113.7379858826.

The spelling of 1381494298 in words is "one billion, three hundred eighty-one million, four hundred ninety-four thousand, two hundred ninety-eight".

Divisors: 1 2 103 131 206 262 13493 26986 51193 102386 5272879 6706283 10545758 13412566 690747149 1381494298