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799999993 = 13431431127
BaseRepresentation
bin101111101011110…
…000011111111001
32001202100012200101
4233223300133321
53114244444433
6211214435401
725552613332
oct5753603771
92052305611
10799999993
11380640921
121a3b02b61
13c9982ba0
1478369289
154a37707d
hex2faf07f9

799999993 has 8 divisors (see below), whose sum is σ = 881574848. Its totient is φ = 721287504.

The previous prime is 799999987. The next prime is 799999999. The reversal of 799999993 is 399999997.

It is an interprime number because it is at equal distance from previous prime (799999987) and next prime (799999999).

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

It is a de Polignac number, because none of the positive numbers 2k-799999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (799999999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715005 + ... + 716122.

It is an arithmetic number, because the mean of its divisors is an integer number (110196856).

Almost surely, 2799999993 is an apocalyptic number.

It is an amenable number.

799999993 is a deficient number, since it is larger than the sum of its proper divisors (81574855).

799999993 is a wasteful number, since it uses less digits than its factorization.

799999993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431183.

The product of its digits is 100442349, while the sum is 73.

The square root of 799999993 is about 28284.2711237182. The cubic root of 799999993 is about 928.3177640150.

It can be divided in two parts, 7 and 99999993, that added together give a 8-th power (100000000 = 108).

The spelling of 799999993 in words is "seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-three".

Divisors: 1 13 43 559 1431127 18604651 61538461 799999993