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999479629 = 19259320287
BaseRepresentation
bin111011100100101…
…101100101001101
32120122200211022001
4323210231211031
54021331322004
6243102152301
733524302531
oct7344554515
92518624261
10999479629
114731a8925
1223a882691
1312c0b7385
1496a53bc1
155cb2c1a4
hex3b92d94d

999479629 has 8 divisors (see below), whose sum is σ = 1052541440. Its totient is φ = 946463616.

The previous prime is 999479603. The next prime is 999479699. The reversal of 999479629 is 926974999.

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

It is a 4-Lehmer number, since φ(999479629) divides (999479629-1)4.

It is a cyclic number.

It is not a de Polignac number, because 999479629 - 27 = 999479501 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 (999479699) 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, 39124 + ... + 59410.

It is an arithmetic number, because the mean of its divisors is an integer number (131567680).

Almost surely, 2999479629 is an apocalyptic number.

It is an amenable number.

999479629 is a deficient number, since it is larger than the sum of its proper divisors (53061811).

999479629 is a wasteful number, since it uses less digits than its factorization.

999479629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22899.

The product of its digits is 19840464, while the sum is 64.

The square root of 999479629 is about 31614.5477430881. The cubic root of 999479629 is about 999.8265129040.

The spelling of 999479629 in words is "nine hundred ninety-nine million, four hundred seventy-nine thousand, six hundred twenty-nine".

Divisors: 1 19 2593 20287 49267 385453 52604191 999479629