Search a number
-
+
12426450 = 2352372239
BaseRepresentation
bin101111011001…
…110011010010
3212101022212220
4233121303102
511140121300
61122201510
7210423501
oct57316322
925338786
1012426450
1170181a3
1241b3296
13276113a
141916838
151156da0
hexbd9cd2

12426450 has 48 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 3222720.

The previous prime is 12426431. The next prime is 12426481. The reversal of 12426450 is 5462421.

It is a self number, because there is not a number n which added to its sum of digits gives 12426450.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4431 + ... + 6669.

It is an arithmetic number, because the mean of its divisors is an integer number (659680).

Almost surely, 212426450 is an apocalyptic number.

12426450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12426450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15832320).

12426450 is an abundant number, since it is smaller than the sum of its proper divisors (19238190).

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

12426450 is a wasteful number, since it uses less digits than its factorization.

12426450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291 (or 2286 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 12426450 is about 3525.1170193343. The cubic root of 12426450 is about 231.6233608360.

Adding to 12426450 its reverse (5462421), we get a palindrome (17888871).

The spelling of 12426450 in words is "twelve million, four hundred twenty-six thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 111 150 185 222 370 555 925 1110 1850 2239 2775 4478 5550 6717 11195 13434 22390 33585 55975 67170 82843 111950 165686 167925 248529 335850 414215 497058 828430 1242645 2071075 2485290 4142150 6213225 12426450