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30402204 = 22371943443
BaseRepresentation
bin111001111111…
…0011010011100
32010012120222120
41303332122130
530240332304
63003342540
7516262110
oct163763234
963176876
1030402204
1116185698
12a221a50
1363b6091
144075740
152a080d9
hex1cfe69c

30402204 has 96 divisors (see below), whose sum is σ = 87521280. Its totient is φ = 8019648.

The previous prime is 30402199. The next prime is 30402209. The reversal of 30402204 is 40220403.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30402199) and next prime (30402209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402209) 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, 68407 + ... + 68849.

It is an arithmetic number, because the mean of its divisors is an integer number (911680).

Almost surely, 230402204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30402204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43760640).

30402204 is an abundant number, since it is smaller than the sum of its proper divisors (57119076).

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

30402204 is a wasteful number, since it uses less digits than its factorization.

30402204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 30402204 is about 5513.8193659205. The cubic root of 30402204 is about 312.1056923313.

Adding to 30402204 its reverse (40220403), we get a palindrome (70622607).

The spelling of 30402204 in words is "thirty million, four hundred two thousand, two hundred four".

Divisors: 1 2 3 4 6 7 12 14 19 21 28 38 42 43 57 76 84 86 114 129 133 172 228 258 266 301 399 443 516 532 602 798 817 886 903 1204 1329 1596 1634 1772 1806 2451 2658 3101 3268 3612 4902 5316 5719 6202 8417 9303 9804 11438 12404 16834 17157 18606 19049 22876 25251 33668 34314 37212 38098 50502 57147 58919 68628 76196 101004 114294 117838 133343 176757 228588 235676 266686 353514 361931 400029 533372 707028 723862 800058 1085793 1447724 1600116 2171586 2533517 4343172 5067034 7600551 10134068 15201102 30402204