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379418231 = 616219971
BaseRepresentation
bin10110100111010…
…111011001110111
3222102221102222002
4112213113121313
51234112340411
6101352125515
712255000413
oct2647273167
9872842862
10379418231
11185198595
12a709689b
13607b643a
1438567d43
152349a33b
hex169d7677

379418231 has 4 divisors (see below), whose sum is σ = 385638264. Its totient is φ = 373198200.

The previous prime is 379418227. The next prime is 379418233. The reversal of 379418231 is 132814973.

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 379418231 - 22 = 379418227 is a prime.

It is a super-2 number, since 2×3794182312 = 287916388030338722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379418233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109925 + ... + 3110046.

It is an arithmetic number, because the mean of its divisors is an integer number (96409566).

Almost surely, 2379418231 is an apocalyptic number.

379418231 is a deficient number, since it is larger than the sum of its proper divisors (6220033).

379418231 is an equidigital number, since it uses as much as digits as its factorization.

379418231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220032.

The product of its digits is 36288, while the sum is 38.

The square root of 379418231 is about 19478.6609139335. The cubic root of 379418231 is about 723.9458201217.

The spelling of 379418231 in words is "three hundred seventy-nine million, four hundred eighteen thousand, two hundred thirty-one".

Divisors: 1 61 6219971 379418231