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427226837 = 1922485623
BaseRepresentation
bin11001011101101…
…111011011010101
31002202220101001012
4121131233123111
51333332224322
6110220542005
713405240202
oct3135573325
91082811035
10427226837
111aa181934
12bb0b1905
136a68525b
1440a50ca9
1527790ae2
hex1976f6d5

427226837 has 4 divisors (see below), whose sum is σ = 449712480. Its totient is φ = 404741196.

The previous prime is 427226819. The next prime is 427226843. The reversal of 427226837 is 738622724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427226837 - 214 = 427210453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427226794 and 427226803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427246837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11242793 + ... + 11242830.

It is an arithmetic number, because the mean of its divisors is an integer number (112428120).

Almost surely, 2427226837 is an apocalyptic number.

It is an amenable number.

427226837 is a deficient number, since it is larger than the sum of its proper divisors (22485643).

427226837 is a wasteful number, since it uses less digits than its factorization.

427226837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22485642.

The product of its digits is 225792, while the sum is 41.

The square root of 427226837 is about 20669.4662969318. The cubic root of 427226837 is about 753.1581418173.

The spelling of 427226837 in words is "four hundred twenty-seven million, two hundred twenty-six thousand, eight hundred thirty-seven".

Divisors: 1 19 22485623 427226837