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274132240 = 2453426653
BaseRepresentation
bin10000010101101…
…110110100010000
3201002211100201221
4100111232310100
51030134212430
643111334424
76536041234
oct2025566420
9632740657
10274132240
11130816678
1277981414
1344a41935
142859c5c4
15190ee57a
hex1056ed10

274132240 has 20 divisors (see below), whose sum is σ = 637357644. Its totient is φ = 109652864.

The previous prime is 274132217. The next prime is 274132241. The reversal of 274132240 is 42231472.

It is a happy number.

274132240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 107412496 + 166719744 = 10364^2 + 12912^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (274132241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713247 + ... + 1713406.

Almost surely, 2274132240 is an apocalyptic number.

274132240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274132240 is an abundant number, since it is smaller than the sum of its proper divisors (363225404).

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

274132240 is a wasteful number, since it uses less digits than its factorization.

274132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3426666 (or 3426660 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 274132240 is about 16556.9393306855. The cubic root of 274132240 is about 649.6110019613.

The spelling of 274132240 in words is "two hundred seventy-four million, one hundred thirty-two thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 3426653 6853306 13706612 17133265 27413224 34266530 54826448 68533060 137066120 274132240