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672229441 = 132231631061
BaseRepresentation
bin101000000100010…
…110100001000001
31201211220210102201
4220010112201001
52334042320231
6150412113201
722441566412
oct5004264101
91654823381
10672229441
11315501a24
12169165801
13a9368100
14653c9809
153e039161
hex28116841

672229441 has 24 divisors (see below), whose sum is σ = 764945856. Its totient is φ = 589343040.

The previous prime is 672229433. The next prime is 672229447. The reversal of 672229441 is 144922276.

It is not a de Polignac number, because 672229441 - 23 = 672229433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672229441.

It is not an unprimeable number, because it can be changed into a prime (672229447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633051 + ... + 634111.

It is an arithmetic number, because the mean of its divisors is an integer number (31872744).

Almost surely, 2672229441 is an apocalyptic number.

It is an amenable number.

672229441 is a deficient number, since it is larger than the sum of its proper divisors (92716415).

672229441 is a wasteful number, since it uses less digits than its factorization.

672229441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1260 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 672229441 is about 25927.3878553162. The cubic root of 672229441 is about 876.0035032664.

It can be divided in two parts, 6722 and 29441, that added together give a palindrome (36163).

The spelling of 672229441 in words is "six hundred seventy-two million, two hundred twenty-nine thousand, four hundred forty-one".

Divisors: 1 13 23 163 169 299 1061 2119 3749 3887 13793 24403 27547 48737 172943 179309 317239 633581 2248259 3977689 4124107 29227367 51709957 672229441