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382509993 = 3167763493
BaseRepresentation
bin10110110011001…
…010001110101001
3222122202112001210
4112303022032221
51240410304433
6101542303333
712323165325
oct2663121651
9878675053
10382509993
11186a0a468
12a8127b49
1361329798
1438b30985
15238ab463
hex16cca3a9

382509993 has 8 divisors (see below), whose sum is σ = 513067968. Its totient is φ = 253479344.

The previous prime is 382509991. The next prime is 382510003. The reversal of 382509993 is 399905283.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 382509993 - 21 = 382509991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (382509991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381246 + ... + 382247.

It is an arithmetic number, because the mean of its divisors is an integer number (64133496).

Almost surely, 2382509993 is an apocalyptic number.

It is an amenable number.

382509993 is a deficient number, since it is larger than the sum of its proper divisors (130557975).

382509993 is a wasteful number, since it uses less digits than its factorization.

382509993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763663.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 382509993 is about 19557.8626899771. The cubic root of 382509993 is about 725.9069066102.

The spelling of 382509993 in words is "three hundred eighty-two million, five hundred nine thousand, nine hundred ninety-three".

Divisors: 1 3 167 501 763493 2290479 127503331 382509993