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2472447 = 31097561
BaseRepresentation
bin1001011011100111111111
311122121120010
421123213333
51113104242
6124554303
730005205
oct11334777
94577503
102472447
11143964a
129b2993
136874b3
14485075
1533c89c
hex25b9ff

2472447 has 8 divisors (see below), whose sum is σ = 3327280. Its totient is φ = 1632960.

The previous prime is 2472443. The next prime is 2472461. The reversal of 2472447 is 7442742.

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

It is not a de Polignac number, because 2472447 - 22 = 2472443 is a prime.

It is a super-2 number, since 2×24724472 = 12225988335618, which contains 22 as substring.

It is a Duffinian number.

2472447 is a lucky number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3454 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (415910).

22472447 is an apocalyptic number.

2472447 is a deficient number, since it is larger than the sum of its proper divisors (854833).

2472447 is a wasteful number, since it uses less digits than its factorization.

2472447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7673.

The product of its digits is 12544, while the sum is 30.

The square root of 2472447 is about 1572.4016662418. The cubic root of 2472447 is about 135.2204354753.

The spelling of 2472447 in words is "two million, four hundred seventy-two thousand, four hundred forty-seven".

Divisors: 1 3 109 327 7561 22683 824149 2472447