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12253142 = 2113715053
BaseRepresentation
bin101110101111…
…011111010110
3212001112011002
4232233133112
511114100032
61114343302
7206102306
oct56573726
925045132
1012253142
116a09a70
12412ab32
1327002a5
1418ad606
151120862
hexbaf7d6

12253142 has 16 divisors (see below), whose sum is σ = 20593872. Its totient is φ = 5418720.

The previous prime is 12253133. The next prime is 12253147. The reversal of 12253142 is 24135221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6713 + ... + 8340.

It is an arithmetic number, because the mean of its divisors is an integer number (1287117).

Almost surely, 212253142 is an apocalyptic number.

12253142 is a deficient number, since it is larger than the sum of its proper divisors (8340730).

12253142 is a wasteful number, since it uses less digits than its factorization.

12253142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103.

The product of its digits is 480, while the sum is 20.

The square root of 12253142 is about 3500.4488283647. The cubic root of 12253142 is about 230.5415217492.

Adding to 12253142 its reverse (24135221), we get a palindrome (36388363).

The spelling of 12253142 in words is "twelve million, two hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 11 22 37 74 407 814 15053 30106 165583 331166 556961 1113922 6126571 12253142