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23020224 = 263472551
BaseRepresentation
bin101011111010…
…0001011000000
31121022112210220
41113310023000
521343121344
62141223040
7366445233
oct127641300
947275726
1023020224
1111aa3487
127861a80
134a00046
1430b341a
15204ac19
hex15f42c0

23020224 has 56 divisors (see below), whose sum is σ = 62227968. Its totient is φ = 7507200.

The previous prime is 23020201. The next prime is 23020273. The reversal of 23020224 is 42202032.

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, 7749 + ... + 10299.

Almost surely, 223020224 is an apocalyptic number.

23020224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23020224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31113984).

23020224 is an abundant number, since it is smaller than the sum of its proper divisors (39207744).

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

23020224 is a wasteful number, since it uses less digits than its factorization.

23020224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 23020224 is about 4797.9395577685. The cubic root of 23020224 is about 284.4700277192.

Adding to 23020224 its reverse (42202032), we get a palindrome (65222256).

The spelling of 23020224 in words is "twenty-three million, twenty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 47 48 64 94 96 141 188 192 282 376 564 752 1128 1504 2256 2551 3008 4512 5102 7653 9024 10204 15306 20408 30612 40816 61224 81632 119897 122448 163264 239794 244896 359691 479588 489792 719382 959176 1438764 1918352 2877528 3836704 5755056 7673408 11510112 23020224