Search a number
-
+
380379260 = 22519018963
BaseRepresentation
bin10110101011000…
…010000001111100
3222111202021020202
4112223002001330
51234334114020
6101424503032
712266112302
oct2653020174
9874667222
10380379260
11185794628
12a747aa78
1360a619b1
1438738272
15235d9e75
hex16ac207c

380379260 has 12 divisors (see below), whose sum is σ = 798796488. Its totient is φ = 152151696.

The previous prime is 380379253. The next prime is 380379271. The reversal of 380379260 is 62973083.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9509462 + ... + 9509501.

It is an arithmetic number, because the mean of its divisors is an integer number (66566374).

Almost surely, 2380379260 is an apocalyptic number.

It is an amenable number.

380379260 is an abundant number, since it is smaller than the sum of its proper divisors (418417228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

380379260 is a wasteful number, since it uses less digits than its factorization.

380379260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19018972 (or 19018970 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 380379260 is about 19503.3140773562. The cubic root of 380379260 is about 724.5565326005.

The spelling of 380379260 in words is "three hundred eighty million, three hundred seventy-nine thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 19018963 38037926 76075852 95094815 190189630 380379260