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30232100 = 22521492029
BaseRepresentation
bin111001101010…
…0111000100100
32002212221122102
41303110320210
530214411400
62555551232
7514653143
oct163247044
962787572
1030232100
1116079908
12a15b518
136356822
14402d75a
1529c29d5
hex1cd4e24

30232100 has 36 divisors (see below), whose sum is σ = 66076500. Its totient is φ = 12005760.

The previous prime is 30232091. The next prime is 30232109. The reversal of 30232100 is 123203.

It is an interprime number because it is at equal distance from previous prime (30232091) and next prime (30232109).

It can be written as a sum of positive squares in 6 ways, for example, as 4096 + 30228004 = 64^2 + 5498^2 .

It is not an unprimeable number, because it can be changed into a prime (30232109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13886 + ... + 15914.

Almost surely, 230232100 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 30232100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33038250).

30232100 is an abundant number, since it is smaller than the sum of its proper divisors (35844400).

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

30232100 is a wasteful number, since it uses less digits than its factorization.

30232100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2192 (or 2185 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30232100 is about 5498.3724864727. The cubic root of 30232100 is about 311.5225136534.

Adding to 30232100 its reverse (123203), we get a palindrome (30355303).

The spelling of 30232100 in words is "thirty million, two hundred thirty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 149 298 596 745 1490 2029 2980 3725 4058 7450 8116 10145 14900 20290 40580 50725 101450 202900 302321 604642 1209284 1511605 3023210 6046420 7558025 15116050 30232100