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30113232 = 2431314789
BaseRepresentation
bin111001011011…
…1110111010000
32002122220120220
41302313313100
530202110412
62553233040
7513646452
oct162676720
962586526
1030113232
1115aa8576
12a102780
1363146a6
143ddc2d2
15299c68c
hex1cb7dd0

30113232 has 40 divisors (see below), whose sum is σ = 78402720. Its totient is φ = 9959040.

The previous prime is 30113231. The next prime is 30113263. The reversal of 30113232 is 23231103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30113231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894 + ... + 8682.

It is an arithmetic number, because the mean of its divisors is an integer number (1960068).

Almost surely, 230113232 is an apocalyptic number.

It is an amenable number.

30113232 is an abundant number, since it is smaller than the sum of its proper divisors (48289488).

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

30113232 is a wasteful number, since it uses less digits than its factorization.

30113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4931 (or 4925 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30113232 is about 5487.5524598859. The cubic root of 30113232 is about 311.1136910595.

Adding to 30113232 its reverse (23231103), we get a palindrome (53344335).

The spelling of 30113232 in words is "thirty million, one hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 131 262 393 524 786 1048 1572 2096 3144 4789 6288 9578 14367 19156 28734 38312 57468 76624 114936 229872 627359 1254718 1882077 2509436 3764154 5018872 7528308 10037744 15056616 30113232