Search a number
-
+
999474407 = 23278915581
BaseRepresentation
bin111011100100101…
…100010011100111
32120122200120010122
4323210230103213
54021331140112
6243102112155
733524251361
oct7344542347
92518616118
10999474407
114731a4a08
1223a87b65b
1312c0b4b99
1496a51d31
155cb2a872
hex3b92c4e7

999474407 has 8 divisors (see below), whose sum is σ = 1043370720. Its totient is φ = 955614880.

The previous prime is 999474391. The next prime is 999474433. The reversal of 999474407 is 704474999.

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 999474407 - 24 = 999474391 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 (999474107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56357 + ... + 71937.

It is an arithmetic number, because the mean of its divisors is an integer number (130421340).

Almost surely, 2999474407 is an apocalyptic number.

999474407 is a deficient number, since it is larger than the sum of its proper divisors (43896313).

999474407 is a wasteful number, since it uses less digits than its factorization.

999474407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393.

The product of its (nonzero) digits is 2286144, while the sum is 53.

The square root of 999474407 is about 31614.4651544194. The cubic root of 999474407 is about 999.8247716301.

The spelling of 999474407 in words is "nine hundred ninety-nine million, four hundred seventy-four thousand, four hundred seven".

Divisors: 1 23 2789 15581 64147 358363 43455409 999474407