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381052192 = 2553224677
BaseRepresentation
bin10110101101100…
…110010100100000
3222120000110100011
4112231212110200
51240022132232
6101451134304
712304614223
oct2655462440
9876013304
10381052192
11186104174
12a7744394
1360c39091
14388715ba
15236be547
hex16b66520

381052192 has 24 divisors (see below), whose sum is σ = 764354556. Its totient is φ = 186930432.

The previous prime is 381052187. The next prime is 381052213. The reversal of 381052192 is 291250183.

It can be written as a sum of positive squares in 2 ways, for example, as 291863056 + 89189136 = 17084^2 + 9444^2 .

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 3 ways as a sum of consecutive naturals, for example, 110643 + ... + 114034.

Almost surely, 2381052192 is an apocalyptic number.

381052192 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

381052192 is an abundant number, since it is smaller than the sum of its proper divisors (383302364).

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

381052192 is a wasteful number, since it uses less digits than its factorization.

381052192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224740 (or 224732 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 381052192 is about 19520.5581887404. The cubic root of 381052192 is about 724.9835538085.

The spelling of 381052192 in words is "three hundred eighty-one million, fifty-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 32 53 106 212 424 848 1696 224677 449354 898708 1797416 3594832 7189664 11907881 23815762 47631524 95263048 190526096 381052192