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379264729 = 2843133403
BaseRepresentation
bin10110100110110…
…001111011011001
3222102122122101211
4112212301323121
51234042432404
6101344543121
712253461034
oct2646617331
9872578354
10379264729
111850a3228
12a7021aa1
13607615cc
143852801b
1523469b04
hex169b1ed9

379264729 has 4 divisors (see below), whose sum is σ = 379400976. Its totient is φ = 379128484.

The previous prime is 379264727. The next prime is 379264751. The reversal of 379264729 is 927462973.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 927462973 = 7871178479.

It is a cyclic number.

It is not a de Polignac number, because 379264729 - 21 = 379264727 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (379264727) 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, 63859 + ... + 69544.

It is an arithmetic number, because the mean of its divisors is an integer number (94850244).

Almost surely, 2379264729 is an apocalyptic number.

It is an amenable number.

379264729 is a deficient number, since it is larger than the sum of its proper divisors (136247).

379264729 is a wasteful number, since it uses less digits than its factorization.

379264729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136246.

The product of its digits is 1143072, while the sum is 49.

The square root of 379264729 is about 19474.7202547302. The cubic root of 379264729 is about 723.8481775452.

The spelling of 379264729 in words is "three hundred seventy-nine million, two hundred sixty-four thousand, seven hundred twenty-nine".

Divisors: 1 2843 133403 379264729