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270256221 = 3259950131
BaseRepresentation
bin10000000110111…
…100100001011101
3200211112102211200
4100012330201131
51023141144341
642452310113
76461066004
oct2006744135
9624472750
10270256221
11129609554
1276612339
1343cb5631
1427c6dc3b
1518ad5db6
hex101bc85d

270256221 has 12 divisors (see below), whose sum is σ = 391029600. Its totient is φ = 179866440.

The previous prime is 270256219. The next prime is 270256229. The reversal of 270256221 is 122652072.

It is not a de Polignac number, because 270256221 - 21 = 270256219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270256229) 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 11 ways as a sum of consecutive naturals, for example, 19675 + ... + 30456.

It is an arithmetic number, because the mean of its divisors is an integer number (32585800).

Almost surely, 2270256221 is an apocalyptic number.

It is an amenable number.

270256221 is a deficient number, since it is larger than the sum of its proper divisors (120773379).

270256221 is a wasteful number, since it uses less digits than its factorization.

270256221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50736 (or 50733 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 270256221 is about 16439.4714331088. The cubic root of 270256221 is about 646.5347910426.

The spelling of 270256221 in words is "two hundred seventy million, two hundred fifty-six thousand, two hundred twenty-one".

Divisors: 1 3 9 599 1797 5391 50131 150393 451179 30028469 90085407 270256221