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18224950 = 252364499
BaseRepresentation
bin100010110000…
…1011100110110
31021021220221011
41011201130312
514131144300
61450342434
7310623652
oct105413466
937256834
1018224950
11a318747
12612aa1a
133a114c3
1425c5a62
1518eeeba
hex1161736

18224950 has 12 divisors (see below), whose sum is σ = 33898500. Its totient is φ = 7289960.

The previous prime is 18224939. The next prime is 18224953. The reversal of 18224950 is 5942281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18224953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182200 + ... + 182299.

It is an arithmetic number, because the mean of its divisors is an integer number (2824875).

Almost surely, 218224950 is an apocalyptic number.

18224950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18224950 is a deficient number, since it is larger than the sum of its proper divisors (15673550).

18224950 is a wasteful number, since it uses less digits than its factorization.

18224950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364511 (or 364506 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18224950 is about 4269.0689851536. The cubic root of 18224950 is about 263.1613557790.

The spelling of 18224950 in words is "eighteen million, two hundred twenty-four thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 364499 728998 1822495 3644990 9112475 18224950