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7442474 = 213286249
BaseRepresentation
bin11100011001000000101010
3112000010011012
4130121000222
53401124344
6423303522
7120155114
oct34310052
915003135
107442474
114223706
1225aaba2
131707740
14dba3b4
159c029e
hex71902a

7442474 has 8 divisors (see below), whose sum is σ = 12022500. Its totient is φ = 3434976.

The previous prime is 7442467. The next prime is 7442489. The reversal of 7442474 is 4742447.

It can be written as a sum of positive squares in 2 ways, for example, as 6325225 + 1117249 = 2515^2 + 1057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 7442474.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143099 + ... + 143150.

Almost surely, 27442474 is an apocalyptic number.

7442474 is a deficient number, since it is larger than the sum of its proper divisors (4580026).

7442474 is a wasteful number, since it uses less digits than its factorization.

7442474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286264.

The product of its digits is 25088, while the sum is 32.

The square root of 7442474 is about 2728.0898079059. The cubic root of 7442474 is about 195.2416377685.

The spelling of 7442474 in words is "seven million, four hundred forty-two thousand, four hundred seventy-four".

Divisors: 1 2 13 26 286249 572498 3721237 7442474