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270996021 = 3277338953
BaseRepresentation
bin10000001001110…
…001001000110101
3200212221000122200
4100021301020311
51023333333041
642520215113
76500266602
oct2011611065
9625830580
10270996021
11129a7435a
127690a499
13441b429a
1427dc36a9
1518bd01b6
hex10271235

270996021 has 12 divisors (see below), whose sum is σ = 391955148. Its totient is φ = 180425664.

The previous prime is 270996007. The next prime is 270996041. The reversal of 270996021 is 120699072.

It can be written as a sum of positive squares in 2 ways, for example, as 153512100 + 117483921 = 12390^2 + 10839^2 .

It is not a de Polignac number, because 270996021 - 29 = 270995509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270996041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12520 + ... + 26433.

It is an arithmetic number, because the mean of its divisors is an integer number (32662929).

Almost surely, 2270996021 is an apocalyptic number.

It is an amenable number.

270996021 is a deficient number, since it is larger than the sum of its proper divisors (120959127).

270996021 is a wasteful number, since it uses less digits than its factorization.

270996021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39732 (or 39729 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 270996021 is about 16461.9567791924. The cubic root of 270996021 is about 647.1241954975.

The spelling of 270996021 in words is "two hundred seventy million, nine hundred ninety-six thousand, twenty-one".

Divisors: 1 3 9 773 2319 6957 38953 116859 350577 30110669 90332007 270996021