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21410124 = 2233748221
BaseRepresentation
bin101000110101…
…1000101001100
31111021202011120
41101223011030
520440110444
62042520540
7346661121
oct121530514
944252146
1021410124
11110a381a
127206150
134588218
142bb4748
151d2db19
hex146b14c

21410124 has 24 divisors (see below), whose sum is σ = 51308208. Its totient is φ = 6943680.

The previous prime is 21410117. The next prime is 21410141. The reversal of 21410124 is 42101412.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23667 + ... + 24554.

It is an arithmetic number, because the mean of its divisors is an integer number (2137842).

Almost surely, 221410124 is an apocalyptic number.

It is an amenable number.

21410124 is an abundant number, since it is smaller than the sum of its proper divisors (29898084).

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

21410124 is a wasteful number, since it uses less digits than its factorization.

21410124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48265 (or 48263 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 21410124 is about 4627.1075198227. The cubic root of 21410124 is about 277.6768842234.

Adding to 21410124 its reverse (42101412), we get a palindrome (63511536).

The spelling of 21410124 in words is "twenty-one million, four hundred ten thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 48221 96442 144663 192884 289326 578652 1784177 3568354 5352531 7136708 10705062 21410124