Search a number
-
+
380296340 = 22519014817
BaseRepresentation
bin10110101010101…
…101110010010100
3222111121001111122
4112222231302110
51234323440330
6101423023112
712265315454
oct2652556224
9874531448
10380296340
111857382a6
12a743aa98
1360a33028
1438715d64
15235c05e5
hex16aadc94

380296340 has 12 divisors (see below), whose sum is σ = 798622356. Its totient is φ = 152118528.

The previous prime is 380296339. The next prime is 380296349. The reversal of 380296340 is 43692083.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 264647824 + 115648516 = 16268^2 + 10754^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 380296340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380296349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507389 + ... + 9507428.

It is an arithmetic number, because the mean of its divisors is an integer number (66551863).

Almost surely, 2380296340 is an apocalyptic number.

It is an amenable number.

380296340 is an abundant number, since it is smaller than the sum of its proper divisors (418326016).

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

380296340 is a wasteful number, since it uses less digits than its factorization.

380296340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19014826 (or 19014824 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 380296340 is about 19501.1881689296. The cubic root of 380296340 is about 724.5038793671.

The spelling of 380296340 in words is "three hundred eighty million, two hundred ninety-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 19014817 38029634 76059268 95074085 190148170 380296340