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30210124 = 2275918287
BaseRepresentation
bin111001100111…
…1100001001100
32002211211111111
41303033201030
530213210444
62555301404
7514532110
oct163174114
962754444
1030210124
111606434a
12a14a864
136349819
144025740
1529bb234
hex1ccf84c

30210124 has 24 divisors (see below), whose sum is σ = 61447680. Its totient is φ = 12727056.

The previous prime is 30210043. The next prime is 30210127. The reversal of 30210124 is 42101203.

It is not an unprimeable number, because it can be changed into a prime (30210127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7492 + ... + 10795.

It is an arithmetic number, because the mean of its divisors is an integer number (2560320).

Almost surely, 230210124 is an apocalyptic number.

It is an amenable number.

30210124 is an abundant number, since it is smaller than the sum of its proper divisors (31237556).

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

30210124 is a wasteful number, since it uses less digits than its factorization.

30210124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357 (or 18355 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 30210124 is about 5496.3737136407. The cubic root of 30210124 is about 311.4470124671.

Adding to 30210124 its reverse (42101203), we get a palindrome (72311327).

The spelling of 30210124 in words is "thirty million, two hundred ten thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 59 118 236 413 826 1652 18287 36574 73148 128009 256018 512036 1078933 2157866 4315732 7552531 15105062 30210124