Search a number
-
+
4247006405 = 52851297931
BaseRepresentation
bin1111110100100100…
…0010110011000101
3101221222111021112112
43331021002303011
532144213201110
61541232030405
7210146646605
oct37511026305
911858437475
104247006405
11188a362854
129a6392405
13528b56655
142c4090c05
1519ccb7405
hexfd242cc5

4247006405 has 8 divisors (see below), whose sum is σ = 5098212384. Its totient is φ = 3396402000.

The previous prime is 4247006389. The next prime is 4247006411. The reversal of 4247006405 is 5046007424.

4247006405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4247006405 - 24 = 4247006389 is a prime.

It is a super-2 number, since 2×42470064052 = 36074126808222048050, which contains 22 as substring.

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, 134711 + ... + 163220.

It is an arithmetic number, because the mean of its divisors is an integer number (637276548).

Almost surely, 24247006405 is an apocalyptic number.

It is an amenable number.

4247006405 is a deficient number, since it is larger than the sum of its proper divisors (851205979).

4247006405 is a wasteful number, since it uses less digits than its factorization.

4247006405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300787.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 4247006405 is about 65169.0601819606. The cubic root of 4247006405 is about 1619.4254942226.

The spelling of 4247006405 in words is "four billion, two hundred forty-seven million, six thousand, four hundred five".

Divisors: 1 5 2851 14255 297931 1489655 849401281 4247006405