Search a number
-
+
379529257 = 2294014133
BaseRepresentation
bin10110100111110…
…010100000101001
3222110011002021011
4112213302200221
51234124414012
6101354343521
712255642202
oct2647624051
9873132234
10379529257
11185263a48
12a712aba1
1360824b33
14385965a9
15234bd1a7
hex169f2829

379529257 has 8 divisors (see below), whose sum is σ = 382229640. Its totient is φ = 376838400.

The previous prime is 379529243. The next prime is 379529261. The reversal of 379529257 is 752925973.

It can be written as a sum of positive squares in 4 ways, for example, as 307686681 + 71842576 = 17541^2 + 8476^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 379529257 - 227 = 245311529 is a prime.

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 379529257.

It is not an unprimeable number, because it can be changed into a prime (379529207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89763 + ... + 93895.

It is an arithmetic number, because the mean of its divisors is an integer number (47778705).

Almost surely, 2379529257 is an apocalyptic number.

It is an amenable number.

379529257 is a deficient number, since it is larger than the sum of its proper divisors (2700383).

379529257 is a wasteful number, since it uses less digits than its factorization.

379529257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4763.

The product of its digits is 1190700, while the sum is 49.

The square root of 379529257 is about 19481.5106447113. The cubic root of 379529257 is about 724.0164273157.

The spelling of 379529257 in words is "three hundred seventy-nine million, five hundred twenty-nine thousand, two hundred fifty-seven".

Divisors: 1 229 401 4133 91829 946457 1657333 379529257