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4387422 = 231356249
BaseRepresentation
bin10000101111001001011110
322020220102010
4100233021132
52110344142
6234012050
752202214
oct20571136
98226363
104387422
112527376
121577026
13ba8010
14822cb4
155b9e9c
hex42f25e

4387422 has 16 divisors (see below), whose sum is σ = 9450000. Its totient is φ = 1349952.

The previous prime is 4387391. The next prime is 4387429. The reversal of 4387422 is 2247834.

4387422 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 4 + 310 + 87 + 76 + 47 + 25 + 221 .

It is a self number, because there is not a number n which added to its sum of digits gives 4387422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4387429) 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, 28047 + ... + 28202.

It is an arithmetic number, because the mean of its divisors is an integer number (590625).

Almost surely, 24387422 is an apocalyptic number.

4387422 is an abundant number, since it is smaller than the sum of its proper divisors (5062578).

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

4387422 is a wasteful number, since it uses less digits than its factorization.

4387422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56267.

The product of its digits is 10752, while the sum is 30.

The square root of 4387422 is about 2094.6173874959. The cubic root of 4387422 is about 163.7079623264.

The spelling of 4387422 in words is "four million, three hundred eighty-seven thousand, four hundred twenty-two".

Divisors: 1 2 3 6 13 26 39 78 56249 112498 168747 337494 731237 1462474 2193711 4387422