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472130517 = 3157376839
BaseRepresentation
bin11100001001000…
…010001111010101
31012220101201022110
4130021002033111
51431331134032
6114503221233
714462020545
oct3411021725
91186351273
10472130517
11222561711
12112147819
1376a77a91
14469bd325
152b6b07cc
hex1c2423d5

472130517 has 4 divisors (see below), whose sum is σ = 629507360. Its totient is φ = 314753676.

The previous prime is 472130513. The next prime is 472130551. The reversal of 472130517 is 715031274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 472130517 - 22 = 472130513 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 (472130513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78688417 + ... + 78688422.

It is an arithmetic number, because the mean of its divisors is an integer number (157376840).

Almost surely, 2472130517 is an apocalyptic number.

It is an amenable number.

472130517 is a deficient number, since it is larger than the sum of its proper divisors (157376843).

472130517 is a wasteful number, since it uses less digits than its factorization.

472130517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157376842.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 472130517 is about 21728.5645407146. The cubic root of 472130517 is about 778.6710424101.

The spelling of 472130517 in words is "four hundred seventy-two million, one hundred thirty thousand, five hundred seventeen".

Divisors: 1 3 157376839 472130517