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274206990 = 23525513583
BaseRepresentation
bin10000010110000…
…001000100001110
3201002222011021110
4100112001010032
51030144110430
643113112450
76536502201
oct2026010416
9632864243
10274206990
11130867852
12779b8726
1344a69975
14285bb938
15191167b0
hex1058110e

274206990 has 32 divisors (see below), whose sum is σ = 658538496. Its totient is φ = 73072800.

The previous prime is 274206971. The next prime is 274207013. The reversal of 274206990 is 99602472.

274206990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74739 + ... + 78321.

It is an arithmetic number, because the mean of its divisors is an integer number (20579328).

Almost surely, 2274206990 is an apocalyptic number.

274206990 is an abundant number, since it is smaller than the sum of its proper divisors (384331506).

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

274206990 is a wasteful number, since it uses less digits than its factorization.

274206990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6144.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 274206990 is about 16559.1965384798. The cubic root of 274206990 is about 649.6700416051.

The spelling of 274206990 in words is "two hundred seventy-four million, two hundred six thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2551 3583 5102 7166 7653 10749 12755 15306 17915 21498 25510 35830 38265 53745 76530 107490 9140233 18280466 27420699 45701165 54841398 91402330 137103495 274206990