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89090293 = 233873491
BaseRepresentation
bin1010100111101…
…10100011110101
320012122020220111
411103312203311
5140301342133
612501303021
72131153315
oct523664365
9205566814
1089090293
114631a946
1225a04a71
13155c3b66
14bb91445
157c4c1cd
hex54f68f5

89090293 has 4 divisors (see below), whose sum is σ = 92963808. Its totient is φ = 85216780.

The previous prime is 89090279. The next prime is 89090299. The reversal of 89090293 is 39209098.

It is a happy number.

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 not a de Polignac number, because 89090293 - 225 = 55535861 is a prime.

It is a Smith number, since the sum of its digits (40) 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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89090299) 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, 1936723 + ... + 1936768.

It is an arithmetic number, because the mean of its divisors is an integer number (23240952).

Almost surely, 289090293 is an apocalyptic number.

It is an amenable number.

89090293 is a deficient number, since it is larger than the sum of its proper divisors (3873515).

89090293 is a wasteful number, since it uses less digits than its factorization.

89090293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873514.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 89090293 is about 9438.7654383399. The cubic root of 89090293 is about 446.6254455042.

The spelling of 89090293 in words is "eighty-nine million, ninety thousand, two hundred ninety-three".

Divisors: 1 23 3873491 89090293