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1379706343 = 3391406873
BaseRepresentation
bin101001000111100…
…1010010111100111
310120011011100021221
41102033022113213
510311201100333
6344523521211
746122211321
oct12217122747
93504140257
101379706343
11648898884
12326089207
1318cac47b2
14d134c611
15811d6d2d
hex523ca5e7

1379706343 has 4 divisors (see below), whose sum is σ = 1380116608. Its totient is φ = 1379296080.

The previous prime is 1379706329. The next prime is 1379706371. The reversal of 1379706343 is 3436079731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1379706343 - 229 = 842835431 is a prime.

It is a super-3 number, since 3×13797063433 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379706343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379706373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 200046 + ... + 206827.

It is an arithmetic number, because the mean of its divisors is an integer number (345029152).

Almost surely, 21379706343 is an apocalyptic number.

1379706343 is a deficient number, since it is larger than the sum of its proper divisors (410265).

1379706343 is an equidigital number, since it uses as much as digits as its factorization.

1379706343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410264.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 1379706343 is about 37144.3985413683. The cubic root of 1379706343 is about 1113.2573051476.

The spelling of 1379706343 in words is "one billion, three hundred seventy-nine million, seven hundred six thousand, three hundred forty-three".

Divisors: 1 3391 406873 1379706343