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1379674133 = 8431163643
BaseRepresentation
bin101001000111100…
…0010100000010101
310120011002201002222
41102033002200111
510311144033013
6344523112125
746122015365
oct12217024025
93504081088
101379674133
11648876662
12326072645
1318cab2c36
14d13409a5
15811cc508
hex523c2815

1379674133 has 4 divisors (see below), whose sum is σ = 1379846208. Its totient is φ = 1379502060.

The previous prime is 1379674073. The next prime is 1379674139. The reversal of 1379674133 is 3314769731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1379674133 - 224 = 1362896917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379674139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73391 + ... + 90252.

It is an arithmetic number, because the mean of its divisors is an integer number (344961552).

Almost surely, 21379674133 is an apocalyptic number.

It is an amenable number.

1379674133 is a deficient number, since it is larger than the sum of its proper divisors (172075).

1379674133 is an equidigital number, since it uses as much as digits as its factorization.

1379674133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172074.

The product of its digits is 285768, while the sum is 44.

The square root of 1379674133 is about 37143.9649606770. The cubic root of 1379674133 is about 1113.2486418798.

The spelling of 1379674133 in words is "one billion, three hundred seventy-nine million, six hundred seventy-four thousand, one hundred thirty-three".

Divisors: 1 8431 163643 1379674133