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4472523 = 33112372
BaseRepresentation
bin10001000011111011001011
322102020011000
4101003323023
52121110043
6235510043
753005266
oct21037313
98366130
104472523
112585300
1215b8323
13c07983
14845cdd
155d52d3
hex443ecb

4472523 has 36 divisors (see below), whose sum is σ = 7485240. Its totient is φ = 2637360.

The previous prime is 4472509. The next prime is 4472527. The reversal of 4472523 is 3252744.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 4472523 - 28 = 4472267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 43 + 44 + 72 + 218 + 56 + 222 + 34 .

Its product of digits (6720) is a multiple of the sum of its prime factors (105).

It is not an unprimeable number, because it can be changed into a prime (4472527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120861 + ... + 120897.

Almost surely, 24472523 is an apocalyptic number.

4472523 is a deficient number, since it is larger than the sum of its proper divisors (3012717).

4472523 is a wasteful number, since it uses less digits than its factorization.

4472523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 51 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 4472523 is about 2114.8340360416. The cubic root of 4472523 is about 164.7596500603.

Multiplying 4472523 by its sum of digits (27), we get a square (120758121 = 109892).

4472523 divided by its sum of digits (27) gives a square (165649 = 4072).

The spelling of 4472523 in words is "four million, four hundred seventy-two thousand, five hundred twenty-three".

Divisors: 1 3 9 11 27 33 37 99 111 121 297 333 363 407 999 1089 1221 1369 3267 3663 4107 4477 10989 12321 13431 15059 36963 40293 45177 120879 135531 165649 406593 496947 1490841 4472523