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380753061 = 31379123581
BaseRepresentation
bin10110101100011…
…101010010100101
3222112110021000020
4112230131102211
51234433044221
6101440505353
712302230143
oct2654352245
9875407006
10380753061
11185a1a457
12a761b259
1360b62b90
14387d4593
1523660ac6
hex16b1d4a5

380753061 has 16 divisors (see below), whose sum is σ = 553647360. Its totient is φ = 231341760.

The previous prime is 380753053. The next prime is 380753069. The reversal of 380753061 is 160357083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (380753053) and next prime (380753069).

It is not a de Polignac number, because 380753061 - 23 = 380753053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380753069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58710 + ... + 64871.

It is an arithmetic number, because the mean of its divisors is an integer number (34602960).

Almost surely, 2380753061 is an apocalyptic number.

It is an amenable number.

380753061 is a deficient number, since it is larger than the sum of its proper divisors (172894299).

380753061 is a wasteful number, since it uses less digits than its factorization.

380753061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123676.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 380753061 is about 19512.8947365582. The cubic root of 380753061 is about 724.7937969265.

The spelling of 380753061 in words is "three hundred eighty million, seven hundred fifty-three thousand, sixty-one".

Divisors: 1 3 13 39 79 237 1027 3081 123581 370743 1606553 4819659 9762899 29288697 126917687 380753061