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1379026944 = 2113517163
BaseRepresentation
bin101001000110010…
…0100100000000000
310120002212211100000
41102030210200000
510311012330234
6344501200000
746113351501
oct12214444000
93502784300
101379026944
11648474399
12325a00000
1318c917499
14d1212ba8
1581100899
hex52324800

1379026944 has 288 divisors, whose sum is σ = 4400192160. Its totient is φ = 429981696.

The previous prime is 1379026921. The next prime is 1379026951. The reversal of 1379026944 is 4496209731.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 1379026944.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8460207 + ... + 8460369.

It is an arithmetic number, because the mean of its divisors is an integer number (15278445).

Almost surely, 21379026944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1379026944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2200096080).

1379026944 is an abundant number, since it is smaller than the sum of its proper divisors (3021165216).

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

1379026944 is an equidigital number, since it uses as much as digits as its factorization.

1379026944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1379026944 is about 37135.2520389993. The cubic root of 1379026944 is about 1113.0745440152.

The spelling of 1379026944 in words is "one billion, three hundred seventy-nine million, twenty-six thousand, nine hundred forty-four".