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380775379 = 1301292679
BaseRepresentation
bin10110101100100…
…010101111010011
3222112111101121211
4112230202233103
51234434303004
6101441200551
712302352205
oct2654425723
9875441554
10380775379
11185a351a6
12a7630157
1360b7009a
14387dc775
1523667504
hex16b22bd3

380775379 has 4 divisors (see below), whose sum is σ = 381069360. Its totient is φ = 380481400.

The previous prime is 380775377. The next prime is 380775383. The reversal of 380775379 is 973577083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380775379 - 21 = 380775377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (380775377) 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, 145039 + ... + 147640.

It is an arithmetic number, because the mean of its divisors is an integer number (95267340).

Almost surely, 2380775379 is an apocalyptic number.

380775379 is a deficient number, since it is larger than the sum of its proper divisors (293981).

380775379 is a wasteful number, since it uses less digits than its factorization.

380775379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293980.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 380775379 is about 19513.4666064234. The cubic root of 380775379 is about 724.8079580137.

The spelling of 380775379 in words is "three hundred eighty million, seven hundred seventy-five thousand, three hundred seventy-nine".

Divisors: 1 1301 292679 380775379