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380863144 = 2347607893
BaseRepresentation
bin10110101100111…
…000001010101000
3222112122212000101
4112230320022220
51240000110034
6101443115144
712303166114
oct2654701250
9875585011
10380863144
11185a95132
12a7672ab4
1360ba100c
1438822744
1523683514
hex16b382a8

380863144 has 8 divisors (see below), whose sum is σ = 714118410. Its totient is φ = 190431568.

The previous prime is 380863111. The next prime is 380863157. The reversal of 380863144 is 441368083.

It can be written as a sum of positive squares in only one way, i.e., 362902500 + 17960644 = 19050^2 + 4238^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 23803939 + ... + 23803954.

Almost surely, 2380863144 is an apocalyptic number.

It is an amenable number.

380863144 is a deficient number, since it is larger than the sum of its proper divisors (333255266).

380863144 is a wasteful number, since it uses less digits than its factorization.

380863144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47607899 (or 47607895 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 380863144 is about 19515.7153084380. The cubic root of 380863144 is about 724.8636407838.

The spelling of 380863144 in words is "three hundred eighty million, eight hundred sixty-three thousand, one hundred forty-four".

Divisors: 1 2 4 8 47607893 95215786 190431572 380863144