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382720833 = 32113865867
BaseRepresentation
bin10110110011111…
…101101101000001
3222200011020021200
4112303331231001
51240434031313
6101551011413
712325034115
oct2663755501
9880136250
10382720833
11187043910
12a8209b69
13613a1741
1438b87745
15238edb73
hex16cfdb41

382720833 has 12 divisors (see below), whose sum is σ = 603075408. Its totient is φ = 231951960.

The previous prime is 382720831. The next prime is 382720843. The reversal of 382720833 is 338027283.

It is not a de Polignac number, because 382720833 - 21 = 382720831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382720831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1932835 + ... + 1933032.

It is an arithmetic number, because the mean of its divisors is an integer number (50256284).

Almost surely, 2382720833 is an apocalyptic number.

382720833 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

382720833 is a deficient number, since it is larger than the sum of its proper divisors (220354575).

382720833 is a wasteful number, since it uses less digits than its factorization.

382720833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865884 (or 3865881 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 382720833 is about 19563.2521069479. The cubic root of 382720833 is about 726.0402557192.

The spelling of 382720833 in words is "three hundred eighty-two million, seven hundred twenty thousand, eight hundred thirty-three".

Divisors: 1 3 9 11 33 99 3865867 11597601 34792803 42524537 127573611 382720833