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12424244 = 227263389
BaseRepresentation
bin101111011001…
…010000110100
3212101012212012
4233121100310
511140033434
61122143352
7210414200
oct57312064
925335765
1012424244
117016578
1241b1b58
132760131
141915b00
1511563ce
hexbd9434

12424244 has 18 divisors (see below), whose sum is σ = 25292610. Its totient is φ = 5324592.

The previous prime is 12424241. The next prime is 12424319. The reversal of 12424244 is 44242421.

12424244 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 659344 = 3430^2 + 812^2 .

It is a nude number because it is divisible by every one of its digits.

12424244 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12424241) 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, 31499 + ... + 31890.

It is an arithmetic number, because the mean of its divisors is an integer number (1405145).

Almost surely, 212424244 is an apocalyptic number.

12424244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12424244 is an abundant number, since it is smaller than the sum of its proper divisors (12868366).

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

12424244 is a wasteful number, since it uses less digits than its factorization.

12424244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63407 (or 63398 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 12424244 is about 3524.8041080321. The cubic root of 12424244 is about 231.6096537469.

Adding to 12424244 its reverse (44242421), we get a palindrome (56666665).

The spelling of 12424244 in words is "twelve million, four hundred twenty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 49 98 196 63389 126778 253556 443723 887446 1774892 3106061 6212122 12424244