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380866764 = 22331738897
BaseRepresentation
bin10110101100111…
…001000011001100
3222112200000222110
4112230321003030
51240000214024
6101443144020
712303212505
oct2654710314
9875600873
10380866764
11185a97923
12a7675010
1360ba2865
1438823bac
1523684629
hex16b390cc

380866764 has 12 divisors (see below), whose sum is σ = 888689144. Its totient is φ = 126955584.

The previous prime is 380866751. The next prime is 380866807. The reversal of 380866764 is 467668083.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 15869437 + ... + 15869460.

Almost surely, 2380866764 is an apocalyptic number.

It is an amenable number.

380866764 is an abundant number, since it is smaller than the sum of its proper divisors (507822380).

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

380866764 is a wasteful number, since it uses less digits than its factorization.

380866764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31738904 (or 31738902 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 380866764 is about 19515.8080539854. The cubic root of 380866764 is about 724.8659373201.

It can be divided in two parts, 38086 and 6764, that added together give a triangular number (44850 = T299).

The spelling of 380866764 in words is "three hundred eighty million, eight hundred sixty-six thousand, seven hundred sixty-four".

Divisors: 1 2 3 4 6 12 31738897 63477794 95216691 126955588 190433382 380866764