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274980420 = 2234511131187
BaseRepresentation
bin10000011000111…
…101111001000100
3201011102110020000
4100120331321010
51030343333140
643141441300
76546203121
oct2030757104
9634373200
10274980420
11131245950
1278110230
1344c7aa10
142873d748
151921aa30
hex1063de44

274980420 has 240 divisors, whose sum is σ = 1014285888. Its totient is φ = 61482240.

The previous prime is 274980413. The next prime is 274980421. The reversal of 274980420 is 24089472.

It is a super-2 number, since 2×2749804202 = 151228462766752800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (274980421) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 231067 + ... + 232253.

Almost surely, 2274980420 is an apocalyptic number.

274980420 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 274980420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507142944).

274980420 is an abundant number, since it is smaller than the sum of its proper divisors (739305468).

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

274980420 is a wasteful number, since it uses less digits than its factorization.

274980420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232 (or 1221 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 274980420 is about 16582.5335820555. The cubic root of 274980420 is about 650.2802893742.

The spelling of 274980420 in words is "two hundred seventy-four million, nine hundred eighty thousand, four hundred twenty".