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6243952405 = 51936470417
BaseRepresentation
bin1011101000010101…
…10010011100010101
3121010011002122110111
411310022302130111
5100241422434110
62511325323021
7310505501605
oct56412623425
917104078414
106243952405
112714603949
121263106471
137867a18c2
14433392c05
15268274e8a
hex1742b2715

6243952405 has 8 divisors (see below), whose sum is σ = 7531566552. Its totient is φ = 4969279488.

The previous prime is 6243952399. The next prime is 6243952417. The reversal of 6243952405 is 5042593426.

It can be written as a sum of positive squares in 4 ways, for example, as 228553924 + 6015398481 = 15118^2 + 77559^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6243952405 - 27 = 6243952277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3234244 + ... + 3236173.

It is an arithmetic number, because the mean of its divisors is an integer number (941445819).

Almost surely, 26243952405 is an apocalyptic number.

It is an amenable number.

6243952405 is a deficient number, since it is larger than the sum of its proper divisors (1287614147).

6243952405 is a wasteful number, since it uses less digits than its factorization.

6243952405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470615.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 6243952405 is about 79018.6838981769. The cubic root of 6243952405 is about 1841.4214367778.

The spelling of 6243952405 in words is "six billion, two hundred forty-three million, nine hundred fifty-two thousand, four hundred five".

Divisors: 1 5 193 965 6470417 32352085 1248790481 6243952405