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23241420 = 22325129119
BaseRepresentation
bin101100010101…
…0001011001100
31121201210020100
41120222023030
521422211140
62150051100
7401356146
oct130521314
947653210
1023241420
1112134694
127949a90
134a79927
14312dc96
152091530
hex162a2cc

23241420 has 36 divisors (see below), whose sum is σ = 70499520. Its totient is φ = 6197664.

The previous prime is 23241373. The next prime is 23241433. The reversal of 23241420 is 2414232.

23241420 is a `hidden beast` number, since 2 + 3 + 241 + 420 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23241393 and 23241402.

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 11 ways as a sum of consecutive naturals, for example, 64380 + ... + 64739.

It is an arithmetic number, because the mean of its divisors is an integer number (1958320).

Almost surely, 223241420 is an apocalyptic number.

23241420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23241420 is an abundant number, since it is smaller than the sum of its proper divisors (47258100).

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

23241420 is a wasteful number, since it uses less digits than its factorization.

23241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129134 (or 129129 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 23241420 is about 4820.9355938448. The cubic root of 23241420 is about 285.3782604357.

Adding to 23241420 its reverse (2414232), we get a palindrome (25655652).

The spelling of 23241420 in words is "twenty-three million, two hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 129119 258238 387357 516476 645595 774714 1162071 1291190 1549428 1936785 2324142 2582380 3873570 4648284 5810355 7747140 11620710 23241420