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274322480 = 245109163193
BaseRepresentation
bin10000010110011…
…101010000110000
3201010012000200212
4100112131100300
51030211304410
643115403252
76540462665
oct2026352060
9633160625
10274322480
111309365a3
1277a53528
1344aaa3c3
142860ba6c
151913ab05
hex1059d430

274322480 has 80 divisors (see below), whose sum is σ = 650955360. Its totient is φ = 107495424.

The previous prime is 274322479. The next prime is 274322491. The reversal of 274322480 is 84223472.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421264 + ... + 1421456.

It is an arithmetic number, because the mean of its divisors is an integer number (8136942).

Almost surely, 2274322480 is an apocalyptic number.

274322480 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 274322480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325477680).

274322480 is an abundant number, since it is smaller than the sum of its proper divisors (376632880).

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

274322480 is a wasteful number, since it uses less digits than its factorization.

274322480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 274322480 is about 16562.6833574756. The cubic root of 274322480 is about 649.7612377508.

The spelling of 274322480 in words is "two hundred seventy-four million, three hundred twenty-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 109 163 193 218 326 386 436 545 652 772 815 872 965 1090 1304 1544 1630 1744 1930 2180 2608 3088 3260 3860 4360 6520 7720 8720 13040 15440 17767 21037 31459 35534 42074 62918 71068 84148 88835 105185 125836 142136 157295 168296 177670 210370 251672 284272 314590 336592 355340 420740 503344 629180 710680 841480 1258360 1421360 1682960 2516720 3429031 6858062 13716124 17145155 27432248 34290310 54864496 68580620 137161240 274322480