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7422472 = 231754577
BaseRepresentation
bin11100010100001000001000
3111222002201101
4130110020020
53400004342
6423031144
7120042601
oct34241010
914862641
107422472
11420a682
12259b4b4
1316cb5c5
14db2da8
159b93b7
hex714208

7422472 has 16 divisors (see below), whose sum is σ = 14736060. Its totient is φ = 3492864.

The previous prime is 7422469. The next prime is 7422473. The reversal of 7422472 is 2742247.

It can be written as a sum of positive squares in 2 ways, for example, as 7257636 + 164836 = 2694^2 + 406^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7422472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27153 + ... + 27424.

Almost surely, 27422472 is an apocalyptic number.

It is an amenable number.

7422472 is a deficient number, since it is larger than the sum of its proper divisors (7313588).

7422472 is a wasteful number, since it uses less digits than its factorization.

7422472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54600 (or 54596 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 7422472 is about 2724.4214064641. The cubic root of 7422472 is about 195.0665738062.

The spelling of 7422472 in words is "seven million, four hundred twenty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 54577 109154 218308 436616 927809 1855618 3711236 7422472