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5230721442 = 23871786907
BaseRepresentation
bin1001101111100011…
…00111100110100010
3111111112112011212210
410313301213212202
541203031041232
62223012302550
7243423253512
oct46761474642
914445464783
105230721442
112244673491
12101b911a56
136548b135b
1437899d842
1520932d5cc
hex137c679a2

5230721442 has 8 divisors (see below), whose sum is σ = 10461442896. Its totient is φ = 1743573812.

The previous prime is 5230721417. The next prime is 5230721459. The reversal of 5230721442 is 2441270325.

It is a sphenic number, since it is the product of 3 distinct primes.

5230721442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435893448 + ... + 435893459.

It is an arithmetic number, because the mean of its divisors is an integer number (1307680362).

Almost surely, 25230721442 is an apocalyptic number.

5230721442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5230721442 is a wasteful number, since it uses less digits than its factorization.

5230721442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871786912.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 5230721442 is about 72323.7266877198. The cubic root of 5230721442 is about 1735.8833232353.

Adding to 5230721442 its reverse (2441270325), we get a palindrome (7671991767).

The spelling of 5230721442 in words is "five billion, two hundred thirty million, seven hundred twenty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 871786907 1743573814 2615360721 5230721442