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7412112 = 243251473
BaseRepresentation
bin11100010001100110010000
3111221120111200
4130101212100
53344141422
6422511200
7120000441
oct34214620
914846450
107412112
114202914
122595500
1316c6986
14dad2c8
159b62ac
hex711990

7412112 has 30 divisors (see below), whose sum is σ = 20744022. Its totient is φ = 2470656.

The previous prime is 7412059. The next prime is 7412113. The reversal of 7412112 is 2112147.

It can be written as a sum of positive squares in only one way, i.e., 5089536 + 2322576 = 2256^2 + 1524^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (7412113) 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, 25593 + ... + 25880.

Almost surely, 27412112 is an apocalyptic number.

7412112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7412112 is an abundant number, since it is smaller than the sum of its proper divisors (13331910).

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

7412112 is a wasteful number, since it uses less digits than its factorization.

7412112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51487 (or 51478 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 7412112 is about 2722.5194214183. The cubic root of 7412112 is about 194.9757760836.

Adding to 7412112 its reverse (2112147), we get a palindrome (9524259).

The spelling of 7412112 in words is "seven million, four hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 51473 102946 154419 205892 308838 411784 463257 617676 823568 926514 1235352 1853028 2470704 3706056 7412112