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4228792 = 231943647
BaseRepresentation
bin10000001000011010111000
321221211210221
4100020122320
52040310132
6230345424
750641561
oct20103270
97854727
104228792
112429177
1214bb274
13b50a59
147c1168
15587e97
hex4086b8

4228792 has 32 divisors (see below), whose sum is σ = 8553600. Its totient is φ = 1953504.

The previous prime is 4228789. The next prime is 4228793. The reversal of 4228792 is 2978224.

It is an Ulam number.

It is a d-powerful number, because it can be written as 44 + 210 + 214 + 8 + 75 + 9 + 222 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228793) 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, 6213 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (267300).

Almost surely, 24228792 is an apocalyptic number.

It is an amenable number.

4228792 is an abundant number, since it is smaller than the sum of its proper divisors (4324808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4228792 is a wasteful number, since it uses less digits than its factorization.

4228792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 711 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 4228792 is about 2056.4026843009. The cubic root of 4228792 is about 161.7107065811.

The spelling of 4228792 in words is "four million, two hundred twenty-eight thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 19 38 43 76 86 152 172 344 647 817 1294 1634 2588 3268 5176 6536 12293 24586 27821 49172 55642 98344 111284 222568 528599 1057198 2114396 4228792