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274391072 = 258574721
BaseRepresentation
bin10000010110101…
…110000000100000
3201010022111210022
4100112232000200
51030221003242
643121053012
76541166654
oct2026560040
9633274708
10274391072
1113098308a
1277a87168
1344b026a7
1428628a64
15191510d2
hex105ae020

274391072 has 12 divisors (see below), whose sum is σ = 540207486. Its totient is φ = 137195520.

The previous prime is 274391071. The next prime is 274391087. The reversal of 274391072 is 270193472.

274391072 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 only one way, i.e., 263867536 + 10523536 = 16244^2 + 3244^2 .

It is not an unprimeable number, because it can be changed into a prime (274391071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4287329 + ... + 4287392.

Almost surely, 2274391072 is an apocalyptic number.

It is an amenable number.

274391072 is a deficient number, since it is larger than the sum of its proper divisors (265816414).

274391072 is an equidigital number, since it uses as much as digits as its factorization.

274391072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574731 (or 8574723 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 274391072 is about 16564.7539070159. The cubic root of 274391072 is about 649.8153889924.

The spelling of 274391072 in words is "two hundred seventy-four million, three hundred ninety-one thousand, seventy-two".

Divisors: 1 2 4 8 16 32 8574721 17149442 34298884 68597768 137195536 274391072