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427924279 = 3153260453
BaseRepresentation
bin11001100000011…
…001101100110111
31002211012210202101
4121200121230313
51334022034104
6110243522531
713414203436
oct3140315467
91084183671
10427924279
111aa608932
12bb389447
136a86a843
1440b9311d
152787c5a4
hex19819b37

427924279 has 8 divisors (see below), whose sum is σ = 450064512. Its totient is φ = 406305120.

The previous prime is 427924241. The next prime is 427924369. The reversal of 427924279 is 972429724.

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 427924279 - 27 = 427924151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427924219) 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, 128584 + ... + 131869.

It is an arithmetic number, because the mean of its divisors is an integer number (56258064).

Almost surely, 2427924279 is an apocalyptic number.

427924279 is a deficient number, since it is larger than the sum of its proper divisors (22140233).

427924279 is a wasteful number, since it uses less digits than its factorization.

427924279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260537.

The product of its digits is 508032, while the sum is 46.

The square root of 427924279 is about 20686.3307282853. The cubic root of 427924279 is about 753.5677591404.

Subtracting 427924279 from its reverse (972429724), we obtain a palindrome (544505445).

The spelling of 427924279 in words is "four hundred twenty-seven million, nine hundred twenty-four thousand, two hundred seventy-nine".

Divisors: 1 31 53 1643 260453 8074043 13804009 427924279