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274465220 = 225102113441
BaseRepresentation
bin10000010111000…
…000000111000100
3201010110021111112
4100113000013010
51030230341340
643122424152
76541626101
oct2027000704
9633407445
10274465220
11130a23867
1277b02058
1344b2a373
1428647aa8
1519168065
hex105c01c4

274465220 has 24 divisors (see below), whose sum is σ = 576984408. Its totient is φ = 109670400.

The previous prime is 274465207. The next prime is 274465229. The reversal of 274465220 is 22564472.

It can be written as a sum of positive squares in 4 ways, for example, as 7011904 + 267453316 = 2648^2 + 16354^2 .

It is not an unprimeable number, because it can be changed into a prime (274465229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13700 + ... + 27140.

It is an arithmetic number, because the mean of its divisors is an integer number (24041017).

Almost surely, 2274465220 is an apocalyptic number.

274465220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274465220 is an abundant number, since it is smaller than the sum of its proper divisors (302519188).

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

274465220 is a wasteful number, since it uses less digits than its factorization.

274465220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 274465220 is about 16566.9918814491. The cubic root of 274465220 is about 649.8739163729.

The spelling of 274465220 in words is "two hundred seventy-four million, four hundred sixty-five thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1021 2042 4084 5105 10210 13441 20420 26882 53764 67205 134410 268820 13723261 27446522 54893044 68616305 137232610 274465220