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2727752421 = 38310954829
BaseRepresentation
bin1010001010010110…
…0011001011100101
321001002202011212110
42202211203023211
521041301034141
61130401111233
7124411340652
oct24245431345
97032664773
102727752421
11117a821849
12641628519
133461826b4
141bc3b8c29
1510e717e16
hexa29632e5

2727752421 has 8 divisors (see below), whose sum is σ = 3680822880. Its totient is φ = 1796591792.

The previous prime is 2727752407. The next prime is 2727752471. The reversal of 2727752421 is 1242577272.

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

It is a cyclic number.

It is not a de Polignac number, because 2727752421 - 211 = 2727750373 is a prime.

It is a super-2 number, since 2×27277524212 = 14881266540542722482, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2727752421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2727752471) 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, 5477166 + ... + 5477663.

It is an arithmetic number, because the mean of its divisors is an integer number (460102860).

Almost surely, 22727752421 is an apocalyptic number.

It is an amenable number.

2727752421 is a deficient number, since it is larger than the sum of its proper divisors (953070459).

2727752421 is a wasteful number, since it uses less digits than its factorization.

2727752421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10954915.

The product of its digits is 109760, while the sum is 39.

The square root of 2727752421 is about 52227.8893025556. The cubic root of 2727752421 is about 1397.2313345387.

The spelling of 2727752421 in words is "two billion, seven hundred twenty-seven million, seven hundred fifty-two thousand, four hundred twenty-one".

Divisors: 1 3 83 249 10954829 32864487 909250807 2727752421