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390182272 = 276745497
BaseRepresentation
bin10111010000011…
…011010110000000
31000012012022110021
4113100123112000
51244341313042
6102414543224
712445331434
oct2720332600
91005168407
10390182272
1119027a797
12aa807b14
1362ab49ac
1439b6a9c4
15243c4867
hex1741b580

390182272 has 32 divisors (see below), whose sum is σ = 788935320. Its totient is φ = 192175104.

The previous prime is 390182267. The next prime is 390182293. The reversal of 390182272 is 272281093.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14173 + ... + 31324.

Almost surely, 2390182272 is an apocalyptic number.

390182272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

390182272 is an abundant number, since it is smaller than the sum of its proper divisors (398753048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390182272 is an equidigital number, since it uses as much as digits as its factorization.

390182272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45578 (or 45566 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 390182272 is about 19753.0319698015. The cubic root of 390182272 is about 730.7281606534.

The spelling of 390182272 in words is "three hundred ninety million, one hundred eighty-two thousand, two hundred seventy-two".

Divisors: 1 2 4 8 16 32 64 67 128 134 268 536 1072 2144 4288 8576 45497 90994 181988 363976 727952 1455904 2911808 3048299 5823616 6096598 12193196 24386392 48772784 97545568 195091136 390182272