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472322237 = 1721634333
BaseRepresentation
bin11100001001110…
…001000010111101
31012220202110022012
4130021301002331
51431403302422
6114511301005
714463446522
oct3411610275
91186673265
10472322237
11222682762
1211221a765
1376b1411a
1446a2d149
152b6ec4e2
hex1c2710bd

472322237 has 6 divisors (see below), whose sum is σ = 501740538. Its totient is φ = 444538304.

The previous prime is 472322233. The next prime is 472322239. The reversal of 472322237 is 732223274.

It can be written as a sum of positive squares in 3 ways, for example, as 173343556 + 298978681 = 13166^2 + 17291^2 .

It is not a de Polignac number, because 472322237 - 22 = 472322233 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472322233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 816878 + ... + 817455.

It is an arithmetic number, because the mean of its divisors is an integer number (83623423).

Almost surely, 2472322237 is an apocalyptic number.

It is an amenable number.

472322237 is a deficient number, since it is larger than the sum of its proper divisors (29418301).

472322237 is a wasteful number, since it uses less digits than its factorization.

472322237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634367 (or 1634350 counting only the distinct ones).

The product of its digits is 28224, while the sum is 32.

The square root of 472322237 is about 21732.9757971613. The cubic root of 472322237 is about 778.7764275415.

The spelling of 472322237 in words is "four hundred seventy-two million, three hundred twenty-two thousand, two hundred thirty-seven".

Divisors: 1 17 289 1634333 27783661 472322237