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18229024 = 251151787
BaseRepresentation
bin100010110001…
…0011100100000
31021022010112001
41011202130200
514131312044
61450413344
7310641562
oct105423440
937263461
1018229024
11a320810
126131254
133a13308
1425c7332
1519012d4
hex1162720

18229024 has 24 divisors (see below), whose sum is σ = 39151728. Its totient is φ = 8285760.

The previous prime is 18229021. The next prime is 18229027. The reversal of 18229024 is 42092281.

It is an interprime number because it is at equal distance from previous prime (18229021) and next prime (18229027).

It is a junction number, because it is equal to n+sod(n) for n = 18228983 and 18229001.

It is not an unprimeable number, because it can be changed into a prime (18229021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25542 + ... + 26245.

It is an arithmetic number, because the mean of its divisors is an integer number (1631322).

Almost surely, 218229024 is an apocalyptic number.

It is an amenable number.

18229024 is an abundant number, since it is smaller than the sum of its proper divisors (20922704).

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

18229024 is a wasteful number, since it uses less digits than its factorization.

18229024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51808 (or 51800 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 18229024 is about 4269.5461117079. The cubic root of 18229024 is about 263.1809633223.

The spelling of 18229024 in words is "eighteen million, two hundred twenty-nine thousand, twenty-four".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 51787 103574 207148 414296 569657 828592 1139314 1657184 2278628 4557256 9114512 18229024