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30444100 = 22521671823
BaseRepresentation
bin111010000100…
…0101001000100
32010021201110021
41310020221010
530243202400
63004304524
7516525211
oct164105104
963251407
1030444100
1116204115
12a242144
1363cc17b
144086b08
152a1571a
hex1d08a44

30444100 has 36 divisors (see below), whose sum is σ = 66495744. Its totient is φ = 12098080.

The previous prime is 30444097. The next prime is 30444103. The reversal of 30444100 is 144403.

It is an interprime number because it is at equal distance from previous prime (30444097) and next prime (30444103).

It is not an unprimeable number, because it can be changed into a prime (30444103) 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, 15789 + ... + 17611.

It is an arithmetic number, because the mean of its divisors is an integer number (1847104).

Almost surely, 230444100 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 30444100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33247872).

30444100 is an abundant number, since it is smaller than the sum of its proper divisors (36051644).

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

30444100 is a wasteful number, since it uses less digits than its factorization.

30444100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1997 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 30444100 is about 5517.6172393525. The cubic root of 30444100 is about 312.2489931064.

Adding to 30444100 its reverse (144403), we get a palindrome (30588503).

The spelling of 30444100 in words is "thirty million, four hundred forty-four thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 167 334 668 835 1670 1823 3340 3646 4175 7292 8350 9115 16700 18230 36460 45575 91150 182300 304441 608882 1217764 1522205 3044410 6088820 7611025 15222050 30444100