Search a number
-
+
472835239 = 570182939
BaseRepresentation
bin11100001011101…
…110010010100111
31012221201112000021
4130023232102213
51432021211424
6114530300011
714501014252
oct3413562247
91187645007
10472835239
112229a3128
12112427607
1376c63786
1446b24099
152b79e4e4
hex1c2ee4a7

472835239 has 4 divisors (see below), whose sum is σ = 472923880. Its totient is φ = 472746600.

The previous prime is 472835213. The next prime is 472835243. The reversal of 472835239 is 932538274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-472835239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 472835195 and 472835204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472835249) 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, 35769 + ... + 47170.

It is an arithmetic number, because the mean of its divisors is an integer number (118230970).

Almost surely, 2472835239 is an apocalyptic number.

472835239 is a deficient number, since it is larger than the sum of its proper divisors (88641).

472835239 is an equidigital number, since it uses as much as digits as its factorization.

472835239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88640.

The product of its digits is 362880, while the sum is 43.

The square root of 472835239 is about 21744.7749815904. The cubic root of 472835239 is about 779.0582755962.

The spelling of 472835239 in words is "four hundred seventy-two million, eight hundred thirty-five thousand, two hundred thirty-nine".

Divisors: 1 5701 82939 472835239