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274667980 = 225171276361
BaseRepresentation
bin10000010111110…
…001100111001100
3201010211120122011
4100113301213030
51030303333410
643131031004
76543432166
oct2027614714
9633746564
10274667980
11131052134
1277b9b464
1344b9b742
142869b936
15191a818a
hex105f19cc

274667980 has 48 divisors (see below), whose sum is σ = 615638016. Its totient is φ = 102574080.

The previous prime is 274667947. The next prime is 274667993. The reversal of 274667980 is 89766472.

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, 40000 + ... + 46360.

It is an arithmetic number, because the mean of its divisors is an integer number (12825792).

Almost surely, 2274667980 is an apocalyptic number.

274667980 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 274667980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307819008).

274667980 is an abundant number, since it is smaller than the sum of its proper divisors (340970036).

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

274667980 is a wasteful number, since it uses less digits than its factorization.

274667980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 274667980 is about 16573.1101486716. The cubic root of 274667980 is about 650.0339075014.

The spelling of 274667980 in words is "two hundred seventy-four million, six hundred sixty-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 127 170 254 340 508 635 1270 2159 2540 4318 6361 8636 10795 12722 21590 25444 31805 43180 63610 108137 127220 216274 432548 540685 807847 1081370 1615694 2162740 3231388 4039235 8078470 13733399 16156940 27466798 54933596 68666995 137333990 274667980