Search a number
-
+
380391076 = 22137315213
BaseRepresentation
bin10110101011000…
…100111010100100
3222111202212110101
4112223010322210
51234340003301
6101425033444
712266161612
oct2653047244
9874685411
10380391076
111857a249a
12a7485884
1360a671a0
143873c6b2
15235dd701
hex16ac4ea4

380391076 has 12 divisors (see below), whose sum is σ = 716890972. Its totient is φ = 175565088.

The previous prime is 380391013. The next prime is 380391157. The reversal of 380391076 is 670193083.

It can be written as a sum of positive squares in 2 ways, for example, as 36288576 + 344102500 = 6024^2 + 18550^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3657555 + ... + 3657658.

Almost surely, 2380391076 is an apocalyptic number.

It is an amenable number.

380391076 is a deficient number, since it is larger than the sum of its proper divisors (336499896).

380391076 is a wasteful number, since it uses less digits than its factorization.

380391076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7315230 (or 7315228 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 380391076 is about 19503.6169978802. The cubic root of 380391076 is about 724.5640349999.

The spelling of 380391076 in words is "three hundred eighty million, three hundred ninety-one thousand, seventy-six".

Divisors: 1 2 4 13 26 52 7315213 14630426 29260852 95097769 190195538 380391076