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2472497 = 17145441
BaseRepresentation
bin1001011011101000110001
311122121121222
421123220301
51113104442
6124554425
730005306
oct11335061
94577558
102472497
111439695
129b2a15
13687521
144850ad
1533c8d2
hex25ba31

2472497 has 4 divisors (see below), whose sum is σ = 2617956. Its totient is φ = 2327040.

The previous prime is 2472473. The next prime is 2472517. The reversal of 2472497 is 7942742.

It is a happy number.

2472497 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.

It can be written as a sum of positive squares in 2 ways, for example, as 732736 + 1739761 = 856^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 2472497 - 28 = 2472241 is a prime.

It is a super-2 number, since 2×24724972 = 12226482830018, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2472097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72704 + ... + 72737.

It is an arithmetic number, because the mean of its divisors is an integer number (654489).

22472497 is an apocalyptic number.

It is an amenable number.

2472497 is a deficient number, since it is larger than the sum of its proper divisors (145459).

2472497 is a wasteful number, since it uses less digits than its factorization.

2472497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145458.

The product of its digits is 28224, while the sum is 35.

The square root of 2472497 is about 1572.4175654068. The cubic root of 2472497 is about 135.2213469847.

It can be divided in two parts, 247 and 2497, that added together give a cube (2744 = 143).

The spelling of 2472497 in words is "two million, four hundred seventy-two thousand, four hundred ninety-seven".

Divisors: 1 17 145441 2472497