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1379782244 = 22372251969
BaseRepresentation
bin101001000111101…
…1100111001100100
310120011022012102002
41102033130321210
510311211012434
6344525304432
746122645521
oct12217347144
93504265362
101379782244
1164893a905
12326105118
1318cb201c9
14d136c148
15811ee57e
hex523dce64

1379782244 has 18 divisors (see below), whose sum is σ = 2481652530. Its totient is φ = 671242752.

The previous prime is 1379782189. The next prime is 1379782273. The reversal of 1379782244 is 4422879731.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 716204644 + 663577600 = 26762^2 + 25760^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120509 + ... + 131460.

It is an arithmetic number, because the mean of its divisors is an integer number (137869585).

Almost surely, 21379782244 is an apocalyptic number.

It is an amenable number.

1379782244 is a deficient number, since it is larger than the sum of its proper divisors (1101870286).

1379782244 is a wasteful number, since it uses less digits than its factorization.

1379782244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252047 (or 252008 counting only the distinct ones).

The product of its digits is 677376, while the sum is 47.

The square root of 1379782244 is about 37145.4202291480. The cubic root of 1379782244 is about 1113.2777191035.

The spelling of 1379782244 in words is "one billion, three hundred seventy-nine million, seven hundred eighty-two thousand, two hundred forty-four".

Divisors: 1 2 4 37 74 148 1369 2738 5476 251969 503938 1007876 9322853 18645706 37291412 344945561 689891122 1379782244