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2472743 = 71329937
BaseRepresentation
bin1001011011101100100111
311122121222002
421123230213
51113111433
6124555515
730006110
oct11335447
94577862
102472743
111439899
129b2b9b
13687680
14485207
1533c9e8
hex25bb27

2472743 has 16 divisors (see below), whose sum is σ = 3151680. Its totient is φ = 1886976.

The previous prime is 2472737. The next prime is 2472781. The reversal of 2472743 is 3472742.

It is not a de Polignac number, because 2472743 - 24 = 2472727 is a prime.

It is a super-2 number, since 2×24727432 = 12228915888098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2472703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171 + ... + 3107.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

22472743 is an apocalyptic number.

2472743 is a deficient number, since it is larger than the sum of its proper divisors (678937).

2472743 is a wasteful number, since it uses less digits than its factorization.

2472743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its digits is 9408, while the sum is 29.

The square root of 2472743 is about 1572.4957869578. The cubic root of 2472743 is about 135.2258314321.

Subtracting 2472743 from its reverse (3472742), we obtain a palindrome (999999).

The spelling of 2472743 in words is "two million, four hundred seventy-two thousand, seven hundred forty-three".

Divisors: 1 7 13 29 91 203 377 937 2639 6559 12181 27173 85267 190211 353249 2472743