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12025442 = 21113192213
BaseRepresentation
bin101101110111…
…111001100010
3211121221210202
4231313321202
511034303232
61105425202
7204133412
oct55677142
924557722
1012025442
116873990
12403b202
132650760
141850642
1510c8162
hexb77e62

12025442 has 32 divisors (see below), whose sum is σ = 22317120. Its totient is φ = 4777920.

The previous prime is 12025441. The next prime is 12025451. The reversal of 12025442 is 24452021.

It is a happy number.

It is a super-2 number, since 2×120254422 = 289222510590728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12025441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4328 + ... + 6540.

It is an arithmetic number, because the mean of its divisors is an integer number (697410).

Almost surely, 212025442 is an apocalyptic number.

12025442 is a deficient number, since it is larger than the sum of its proper divisors (10291678).

12025442 is a wasteful number, since it uses less digits than its factorization.

12025442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 12025442 is about 3467.7719071473. The cubic root of 12025442 is about 229.1045332969.

Adding to 12025442 its reverse (24452021), we get a palindrome (36477463).

The spelling of 12025442 in words is "twelve million, twenty-five thousand, four hundred forty-two".

Divisors: 1 2 11 13 19 22 26 38 143 209 247 286 418 494 2213 2717 4426 5434 24343 28769 42047 48686 57538 84094 316459 462517 546611 632918 925034 1093222 6012721 12025442