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1376744442 = 23239976409
BaseRepresentation
bin101001000001111…
…0111001111111010
310112221120212022220
41102003313033322
510304421310232
6344340224510
746055064123
oct12203671772
93487525286
101376744442
11647155527
1232509b136
1318c2c85a8
14d0bbb04a
1580cee42c
hex520f73fa

1376744442 has 16 divisors (see below), whose sum is σ = 2873206080. Its totient is φ = 438961952.

The previous prime is 1376744431. The next prime is 1376744491. The reversal of 1376744442 is 2444476731.

It is a junction number, because it is equal to n+sod(n) for n = 1376744394 and 1376744403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4988067 + ... + 4988342.

It is an arithmetic number, because the mean of its divisors is an integer number (179575380).

Almost surely, 21376744442 is an apocalyptic number.

1376744442 is an abundant number, since it is smaller than the sum of its proper divisors (1496461638).

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

1376744442 is a wasteful number, since it uses less digits than its factorization.

1376744442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9976437.

The product of its digits is 451584, while the sum is 42.

The square root of 1376744442 is about 37104.5070308177. The cubic root of 1376744442 is about 1112.4601016201.

The spelling of 1376744442 in words is "one billion, three hundred seventy-six million, seven hundred forty-four thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 9976409 19952818 29929227 59858454 229457407 458914814 688372221 1376744442