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274459380 = 223513227067
BaseRepresentation
bin10000010110111…
…110101011110100
3201010102222111020
4100112332223310
51030230200010
643122341140
76541603056
oct2026765364
9633388436
10274459380
11130a1a438
1277aba7b0
1344b27800
14286458d6
1519166470
hex105beaf4

274459380 has 72 divisors (see below), whose sum is σ = 832178592. Its totient is φ = 67556736.

The previous prime is 274459379. The next prime is 274459397. The reversal of 274459380 is 83954472.

274459380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3394 + ... + 23673.

It is an arithmetic number, because the mean of its divisors is an integer number (11558036).

Almost surely, 2274459380 is an apocalyptic number.

274459380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274459380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416089296).

274459380 is an abundant number, since it is smaller than the sum of its proper divisors (557719212).

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

274459380 is a wasteful number, since it uses less digits than its factorization.

274459380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27105 (or 27090 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 274459380 is about 16566.8156264262. The cubic root of 274459380 is about 649.8693070572.

The spelling of 274459380 in words is "two hundred seventy-four million, four hundred fifty-nine thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 169 195 260 338 390 507 676 780 845 1014 1690 2028 2535 3380 5070 10140 27067 54134 81201 108268 135335 162402 270670 324804 351871 406005 541340 703742 812010 1055613 1407484 1624020 1759355 2111226 3518710 4222452 4574323 5278065 7037420 9148646 10556130 13722969 18297292 21112260 22871615 27445938 45743230 54891876 68614845 91486460 137229690 274459380