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380871992 = 2353898283
BaseRepresentation
bin10110101100111…
…010010100111000
3222112200022011002
4112230322110320
51240000400432
6101443224132
712303233654
oct2654722470
9875608132
10380871992
11185aa0846
12a7678048
1360ba5057
1438825a64
1523685e62
hex16b3a538

380871992 has 16 divisors (see below), whose sum is σ = 727610040. Its totient is φ = 186842656.

The previous prime is 380871991. The next prime is 380872003. The reversal of 380871992 is 299178083.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380871991) 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, 448718 + ... + 449565.

Almost surely, 2380871992 is an apocalyptic number.

It is an amenable number.

380871992 is a deficient number, since it is larger than the sum of its proper divisors (346738048).

380871992 is a wasteful number, since it uses less digits than its factorization.

380871992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898342 (or 898338 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 380871992 is about 19515.9419962245. The cubic root of 380871992 is about 724.8692539495.

The spelling of 380871992 in words is "three hundred eighty million, eight hundred seventy-one thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 53 106 212 424 898283 1796566 3593132 7186264 47608999 95217998 190435996 380871992