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4223502 = 23429231
BaseRepresentation
bin10000000111001000001110
321221120120000
4100013020032
52040123002
6230305130
750620263
oct20071016
97846500
104223502
1124251a8
1214b81a6
13b4b51a
147bd26a
1558661c
hex40720e

4223502 has 60 divisors (see below), whose sum is σ = 10117536. Its totient is φ = 1315440.

The previous prime is 4223501. The next prime is 4223507. The reversal of 4223502 is 2053224.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223501) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 136227 + ... + 136257.

Almost surely, 24223502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4223502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5058768).

4223502 is an abundant number, since it is smaller than the sum of its proper divisors (5894034).

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

4223502 is a wasteful number, since it uses less digits than its factorization.

4223502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4223502 is about 2055.1160551171. The cubic root of 4223502 is about 161.6432478684.

Adding to 4223502 its reverse (2053224), we get a palindrome (6276726).

The spelling of 4223502 in words is "four million, two hundred twenty-three thousand, five hundred two".

Divisors: 1 2 3 6 9 18 27 29 31 54 58 62 81 87 93 162 174 186 261 279 522 558 783 837 841 899 1566 1674 1682 1798 2349 2511 2523 2697 4698 5022 5046 5394 7569 8091 15138 16182 22707 24273 26071 45414 48546 52142 68121 72819 78213 136242 145638 156426 234639 469278 703917 1407834 2111751 4223502