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9972467 = 23574231
BaseRepresentation
bin100110000010…
…101011110011
3200202122122122
4212002223303
510023104332
6553424455
7150523151
oct46025363
920678578
109972467
1156a150a
12340b12b
1320b218b
1414783d1
15d1ec12
hex982af3

9972467 has 4 divisors (see below), whose sum is σ = 9979056. Its totient is φ = 9965880.

The previous prime is 9972451. The next prime is 9972497. The reversal of 9972467 is 7642799.

9972467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7642799 = 10976967.

It is a cyclic number.

It is not a de Polignac number, because 9972467 - 24 = 9972451 is a prime.

It is a super-3 number, since 3×99724673 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9972497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (2494764).

Almost surely, 29972467 is an apocalyptic number.

9972467 is a deficient number, since it is larger than the sum of its proper divisors (6589).

9972467 is a wasteful number, since it uses less digits than its factorization.

9972467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6588.

The product of its digits is 190512, while the sum is 44.

The square root of 9972467 is about 3157.9213099759. The cubic root of 9972467 is about 215.2455604236.

The spelling of 9972467 in words is "nine million, nine hundred seventy-two thousand, four hundred sixty-seven".

Divisors: 1 2357 4231 9972467