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4472029 = 31144259
BaseRepresentation
bin10001000011110011011101
322102012110201
4101003303131
52121101104
6235503501
753003662
oct21036335
98365421
104472029
1125849a1
1215b7b91
13c07693
14845a69
155d50a4
hex443cdd

4472029 has 4 divisors (see below), whose sum is σ = 4616320. Its totient is φ = 4327740.

The previous prime is 4472021. The next prime is 4472081. The reversal of 4472029 is 9202744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4472029 - 23 = 4472021 is a prime.

It is a Duffinian number.

4472029 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4471988 and 4472006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4472021) 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, 72099 + ... + 72160.

It is an arithmetic number, because the mean of its divisors is an integer number (1154080).

Almost surely, 24472029 is an apocalyptic number.

It is an amenable number.

4472029 is a deficient number, since it is larger than the sum of its proper divisors (144291).

4472029 is a wasteful number, since it uses less digits than its factorization.

4472029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144290.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4472029 is about 2114.7172387816. The cubic root of 4472029 is about 164.7535838151.

The spelling of 4472029 in words is "four million, four hundred seventy-two thousand, twenty-nine".

Divisors: 1 31 144259 4472029