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379520321 = 3127534447
BaseRepresentation
bin10110100111110…
…000010101000001
3222110010122000012
4112213300111001
51234124122241
6101354234305
712255604145
oct2647602501
9873118005
10379520321
11185258264
12a7125995
1360820a4b
1438593225
15234ba6eb
hex169f0541

379520321 has 8 divisors (see below), whose sum is σ = 391993344. Its totient is φ = 367061760.

The previous prime is 379520311. The next prime is 379520341. The reversal of 379520321 is 123025973.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-379520321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (379520311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83120 + ... + 87566.

It is an arithmetic number, because the mean of its divisors is an integer number (48999168).

Almost surely, 2379520321 is an apocalyptic number.

379520321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

379520321 is a deficient number, since it is larger than the sum of its proper divisors (12473023).

379520321 is a wasteful number, since it uses less digits than its factorization.

379520321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 379520321 is about 19481.2812976970. The cubic root of 379520321 is about 724.0107449592.

The spelling of 379520321 in words is "three hundred seventy-nine million, five hundred twenty thousand, three hundred twenty-one".

Divisors: 1 31 2753 4447 85343 137857 12242591 379520321