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99993307 = 143369779
BaseRepresentation
bin1011111010111…
…00011011011011
320222011012000211
411331130123123
5201044241212
613531111551
72322633451
oct575343333
9228135024
1099993307
11514974a7
12295a25b7
131794074b
14d3cc9d1
158ba29a7
hex5f5c6db

99993307 has 4 divisors (see below), whose sum is σ = 100064520. Its totient is φ = 99922096.

The previous prime is 99993287. The next prime is 99993317. The reversal of 99993307 is 70339999.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99993307 is a prime.

It is a super-2 number, since 2×999933072 = 19997322889592498, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99993317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33457 + ... + 36322.

It is an arithmetic number, because the mean of its divisors is an integer number (25016130).

Almost surely, 299993307 is an apocalyptic number.

99993307 is a deficient number, since it is larger than the sum of its proper divisors (71213).

99993307 is a wasteful number, since it uses less digits than its factorization.

99993307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71212.

The product of its (nonzero) digits is 413343, while the sum is 49.

The square root of 99993307 is about 9999.6653444003. The cubic root of 99993307 is about 464.1485277456.

The spelling of 99993307 in words is "ninety-nine million, nine hundred ninety-three thousand, three hundred seven".

Divisors: 1 1433 69779 99993307