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382979505 = 3525531967
BaseRepresentation
bin10110110100111…
…100110110110001
3222200122101010010
4112310330312301
51241020321010
6102000325133
712330162216
oct2664746661
9880571103
10382979505
11187200197
12a83137a9
13614623bc
1438c13b0d
1523950620
hex16d3cdb1

382979505 has 8 divisors (see below), whose sum is σ = 612767232. Its totient is φ = 204255728.

The previous prime is 382979503. The next prime is 382979521. The reversal of 382979505 is 505979283.

It is a happy number.

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 382979505 - 21 = 382979503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (382979503) 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 7 ways as a sum of consecutive naturals, for example, 12765969 + ... + 12765998.

It is an arithmetic number, because the mean of its divisors is an integer number (76595904).

Almost surely, 2382979505 is an apocalyptic number.

It is an amenable number.

382979505 is a deficient number, since it is larger than the sum of its proper divisors (229787727).

382979505 is a wasteful number, since it uses less digits than its factorization.

382979505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25531975.

The product of its (nonzero) digits is 680400, while the sum is 48.

The square root of 382979505 is about 19569.8621609862. The cubic root of 382979505 is about 726.2037900533.

The spelling of 382979505 in words is "three hundred eighty-two million, nine hundred seventy-nine thousand, five hundred five".

Divisors: 1 3 5 15 25531967 76595901 127659835 382979505