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30412164 = 22323251439
BaseRepresentation
bin111010000000…
…0110110000100
32010020002122110
41310000312010
530241142124
63003501020
7516333126
oct164006604
963202573
1030412164
1116192122
12a227770
1363ba783
144079216
152a0b029
hex1d00d84

30412164 has 48 divisors (see below), whose sum is σ = 74511360. Its totient is φ = 9636000.

The previous prime is 30412159. The next prime is 30412177. The reversal of 30412164 is 46121403.

It is a self number, because there is not a number n which added to its sum of digits gives 30412164.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69057 + ... + 69495.

It is an arithmetic number, because the mean of its divisors is an integer number (1552320).

Almost surely, 230412164 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 30412164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37255680).

30412164 is an abundant number, since it is smaller than the sum of its proper divisors (44099196).

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

30412164 is a wasteful number, since it uses less digits than its factorization.

30412164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30412164 is about 5514.7224771515. The cubic root of 30412164 is about 312.1397713659.

Adding to 30412164 its reverse (46121403), we get a palindrome (76533567).

The spelling of 30412164 in words is "thirty million, four hundred twelve thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 251 276 439 502 753 878 1004 1317 1506 1756 2634 3012 5268 5773 10097 11546 17319 20194 23092 30291 34638 40388 60582 69276 110189 121164 220378 330567 440756 661134 1322268 2534347 5068694 7603041 10137388 15206082 30412164