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5205415242 = 23867569207
BaseRepresentation
bin1001101100100010…
…00101010101001010
3111102202220111022010
410312101011111022
541130041241432
62220310040350
7242665204506
oct46621052512
914382814263
105205415242
112231359575
1210133490b6
1364c590981
14375493306
15206ed03cc
hex13644554a

5205415242 has 8 divisors (see below), whose sum is σ = 10410830496. Its totient is φ = 1735138412.

The previous prime is 5205415231. The next prime is 5205415247. The reversal of 5205415242 is 2425145025.

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

5205415242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (5205415247) 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, 433784598 + ... + 433784609.

It is an arithmetic number, because the mean of its divisors is an integer number (1301353812).

Almost surely, 25205415242 is an apocalyptic number.

5205415242 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.

5205415242 is a wasteful number, since it uses less digits than its factorization.

5205415242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867569212.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5205415242 is about 72148.5636863271. The cubic root of 5205415242 is about 1733.0793987552.

The spelling of 5205415242 in words is "five billion, two hundred five million, four hundred fifteen thousand, two hundred forty-two".

Divisors: 1 2 3 6 867569207 1735138414 2602707621 5205415242