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379229390 = 25181209519
BaseRepresentation
bin10110100110101…
…001010011001110
3222102120211220222
4112212221103032
51234040320030
6101344111342
712253253021
oct2646512316
9872524828
10379229390
11185079721
12a7005552
136074b4b7
14385191b8
152345e3e5
hex169a94ce

379229390 has 16 divisors (see below), whose sum is σ = 686387520. Its totient is φ = 150852960.

The previous prime is 379229381. The next prime is 379229393. The reversal of 379229390 is 93922973.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379229393) 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, 102950 + ... + 106569.

It is an arithmetic number, because the mean of its divisors is an integer number (42899220).

Almost surely, 2379229390 is an apocalyptic number.

379229390 is a deficient number, since it is larger than the sum of its proper divisors (307158130).

379229390 is a wasteful number, since it uses less digits than its factorization.

379229390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209707.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 379229390 is about 19473.8129291621. The cubic root of 379229390 is about 723.8256946871.

The spelling of 379229390 in words is "three hundred seventy-nine million, two hundred twenty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 181 362 905 1810 209519 419038 1047595 2095190 37922939 75845878 189614695 379229390