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271272421 = 794141183
BaseRepresentation
bin10000001010110…
…100100111100101
3200220110001210201
4100022310213211
51023421204141
642530150501
76502530460
oct2012644745
9626401721
10271272421
1112a142a92
1276a22431
1344280034
14280562d7
1518c37031
hex102b49e5

271272421 has 8 divisors (see below), whose sum is σ = 310362624. Its totient is φ = 232266480.

The previous prime is 271272401. The next prime is 271272437. The reversal of 271272421 is 124272172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-271272421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 271272421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271272401) 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 7 ways as a sum of consecutive naturals, for example, 14005 + ... + 27178.

It is an arithmetic number, because the mean of its divisors is an integer number (38795328).

Almost surely, 2271272421 is an apocalyptic number.

It is an amenable number.

271272421 is a deficient number, since it is larger than the sum of its proper divisors (39090203).

271272421 is an equidigital number, since it uses as much as digits as its factorization.

271272421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42131.

The product of its digits is 3136, while the sum is 28.

The square root of 271272421 is about 16470.3497534205. The cubic root of 271272421 is about 647.3441302783.

The spelling of 271272421 in words is "two hundred seventy-one million, two hundred seventy-two thousand, four hundred twenty-one".

Divisors: 1 7 941 6587 41183 288281 38753203 271272421