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383872 = 272999
BaseRepresentation
bin1011101101110000000
3201111120111
41131232000
544240442
612121104
73156106
oct1355600
9644514
10383872
11242455
12166194
13105958
149dc76
1578b17
hex5db80

383872 has 16 divisors (see below), whose sum is σ = 765000. Its totient is φ = 191872.

The previous prime is 383869. The next prime is 383891. The reversal of 383872 is 278383.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372 + ... + 1627.

2383872 is an apocalyptic number.

383872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

383872 is a deficient number, since it is larger than the sum of its proper divisors (381128).

383872 is an equidigital number, since it uses as much as digits as its factorization.

383872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013 (or 3001 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 383872 is about 619.5740472292. The cubic root of 383872 is about 72.6767467243.

The spelling of 383872 in words is "three hundred eighty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 128 2999 5998 11996 23992 47984 95968 191936 383872