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472331287 = 943750051
BaseRepresentation
bin11100001001110…
…011010000010111
31012220202220201101
4130021303100113
51431404100122
6114511410531
714463515101
oct3411632027
91186686641
10472331287
1122268953a
12112223a47
1376b1828c
1446a32571
152b700027
hex1c273417

472331287 has 4 divisors (see below), whose sum is σ = 472390776. Its totient is φ = 472271800.

The previous prime is 472331261. The next prime is 472331291. The reversal of 472331287 is 782133274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 472331287 - 211 = 472329239 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 (472331257) 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, 15589 + ... + 34462.

It is an arithmetic number, because the mean of its divisors is an integer number (118097694).

Almost surely, 2472331287 is an apocalyptic number.

472331287 is a deficient number, since it is larger than the sum of its proper divisors (59489).

472331287 is an equidigital number, since it uses as much as digits as its factorization.

472331287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59488.

The product of its digits is 56448, while the sum is 37.

The square root of 472331287 is about 21733.1840051107. The cubic root of 472331287 is about 778.7814014633.

The spelling of 472331287 in words is "four hundred seventy-two million, three hundred thirty-one thousand, two hundred eighty-seven".

Divisors: 1 9437 50051 472331287