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1379782245 = 35109184313
BaseRepresentation
bin101001000111101…
…1100111001100101
310120011022012102010
41102033130321211
510311211012440
6344525304433
746122645522
oct12217347145
93504265363
101379782245
1164893a906
12326105119
1318cb201ca
14d136c149
15811ee580
hex523dce65

1379782245 has 16 divisors (see below), whose sum is σ = 2209701312. Its totient is φ = 735200640.

The previous prime is 1379782189. The next prime is 1379782273. The reversal of 1379782245 is 5422879731.

It is a happy number.

It is not a de Polignac number, because 1379782245 - 26 = 1379782181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1379782194 and 1379782203.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25792 + ... + 58521.

It is an arithmetic number, because the mean of its divisors is an integer number (138106332).

Almost surely, 21379782245 is an apocalyptic number.

1379782245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1379782245 is a deficient number, since it is larger than the sum of its proper divisors (829919067).

1379782245 is a wasteful number, since it uses less digits than its factorization.

1379782245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85412.

The product of its digits is 846720, while the sum is 48.

The square root of 1379782245 is about 37145.4202426086. The cubic root of 1379782245 is about 1113.2777193725.

The spelling of 1379782245 in words is "one billion, three hundred seventy-nine million, seven hundred eighty-two thousand, two hundred forty-five".

Divisors: 1 3 5 15 1091 3273 5455 16365 84313 252939 421565 1264695 91985483 275956449 459927415 1379782245