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672422271 = 33121791303
BaseRepresentation
bin101000000101000…
…101100101111111
31201212021120221120
4220011011211333
52334120003041
6150420202023
722443331533
oct5005054577
91655246846
10672422271
11315623894
12169239313
13a9404b01
1465439bc3
153e076366
hex2814597f

672422271 has 24 divisors (see below), whose sum is σ = 932307840. Its totient is φ = 431066160.

The previous prime is 672422237. The next prime is 672422281. The reversal of 672422271 is 172224276.

It is a happy number.

672422271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672422271 - 27 = 672422143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672422281) 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, 515406 + ... + 516708.

It is an arithmetic number, because the mean of its divisors is an integer number (38846160).

Almost surely, 2672422271 is an apocalyptic number.

672422271 is a deficient number, since it is larger than the sum of its proper divisors (259885569).

672422271 is a wasteful number, since it uses less digits than its factorization.

672422271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1516 counting only the distinct ones).

The product of its digits is 18816, while the sum is 33.

The square root of 672422271 is about 25931.1062432747. The cubic root of 672422271 is about 876.0872562215.

The spelling of 672422271 in words is "six hundred seventy-two million, four hundred twenty-two thousand, two hundred seventy-one".

Divisors: 1 3 31 93 179 537 961 1303 2883 3909 5549 16647 40393 121179 172019 233237 516057 699711 1252183 3756549 7230347 21691041 224140757 672422271