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4204239 = 3132343109
BaseRepresentation
bin10000000010011011001111
321220121010120
4100002123033
52034013424
6230040023
750510154
oct20023317
97817116
104204239
112411786
1214a9013
13b42820
147b622b
15580a79
hex4026cf

4204239 has 32 divisors (see below), whose sum is σ = 6504960. Its totient is φ = 2395008.

The previous prime is 4204237. The next prime is 4204243. The reversal of 4204239 is 9324024.

It is a happy number.

It is not a de Polignac number, because 4204239 - 21 = 4204237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4204237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38517 + ... + 38625.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

Almost surely, 24204239 is an apocalyptic number.

4204239 is a deficient number, since it is larger than the sum of its proper divisors (2300721).

4204239 is a wasteful number, since it uses less digits than its factorization.

4204239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4204239 is about 2050.4241024725. The cubic root of 4204239 is about 161.3971267007.

The spelling of 4204239 in words is "four million, two hundred four thousand, two hundred thirty-nine".

Divisors: 1 3 13 23 39 43 69 109 129 299 327 559 897 989 1417 1677 2507 2967 4251 4687 7521 12857 14061 32591 38571 60931 97773 107801 182793 323403 1401413 4204239