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99992293 = 234347491
BaseRepresentation
bin1011111010111…
…00001011100101
320222011010122021
411331130023211
5201044223133
613531103141
72322630502
oct575341345
9228133567
1099992293
1151496765
12295a1ab1
131794014b
14d3cc4a9
158ba252d
hex5f5c2e5

99992293 has 4 divisors (see below), whose sum is σ = 104339808. Its totient is φ = 95644780.

The previous prime is 99992251. The next prime is 99992303. The reversal of 99992293 is 39229999.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-99992293 is a prime.

It is a super-3 number, since 3×999922933 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99992293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99992213) 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, 2173723 + ... + 2173768.

It is an arithmetic number, because the mean of its divisors is an integer number (26084952).

Almost surely, 299992293 is an apocalyptic number.

It is an amenable number.

99992293 is a deficient number, since it is larger than the sum of its proper divisors (4347515).

99992293 is a wasteful number, since it uses less digits than its factorization.

99992293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347514.

The product of its digits is 708588, while the sum is 52.

The square root of 99992293 is about 9999.6146425750. The cubic root of 99992293 is about 464.1469588132.

The spelling of 99992293 in words is "ninety-nine million, nine hundred ninety-two thousand, two hundred ninety-three".

Divisors: 1 23 4347491 99992293