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386145222 = 23487132151
BaseRepresentation
bin10111000001000…
…001101111000110
3222220121012122220
4113001001233012
51242323121342
6102152233210
712366115551
oct2701015706
9886535586
10386145222
11188a72691
12a939b806
13620002c8
14393d9698
1523d785ec
hex17041bc6

386145222 has 16 divisors (see below), whose sum is σ = 773882112. Its totient is φ = 128449800.

The previous prime is 386145217. The next prime is 386145301. The reversal of 386145222 is 222541683.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63154 + ... + 68997.

It is an arithmetic number, because the mean of its divisors is an integer number (48367632).

Almost surely, 2386145222 is an apocalyptic number.

386145222 is an abundant number, since it is smaller than the sum of its proper divisors (387736890).

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

386145222 is a wasteful number, since it uses less digits than its factorization.

386145222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132643.

The product of its digits is 23040, while the sum is 33.

The square root of 386145222 is about 19650.5781594334. The cubic root of 386145222 is about 728.1992407910.

The spelling of 386145222 in words is "three hundred eighty-six million, one hundred forty-five thousand, two hundred twenty-two".

Divisors: 1 2 3 6 487 974 1461 2922 132151 264302 396453 792906 64357537 128715074 193072611 386145222