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90234663 = 388134141
BaseRepresentation
bin1010110000011…
…01111100100111
320021210101200120
411120031330213
5141100002123
612542013023
72143660551
oct530157447
9207711616
1090234663
1146a31702
1226277173
13159049bc
14bdac4d1
157dc62e3
hex560df27

90234663 has 8 divisors (see below), whose sum is σ = 120452976. Its totient is φ = 60086400.

The previous prime is 90234649. The next prime is 90234671. The reversal of 90234663 is 36643209.

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

It is not a de Polignac number, because 90234663 - 213 = 90226471 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90234763) 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, 14428 + ... + 19713.

It is an arithmetic number, because the mean of its divisors is an integer number (15056622).

Almost surely, 290234663 is an apocalyptic number.

90234663 is a deficient number, since it is larger than the sum of its proper divisors (30218313).

90234663 is a wasteful number, since it uses less digits than its factorization.

90234663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35025.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 90234663 is about 9499.1927551766. The cubic root of 90234663 is about 448.5296254770.

The spelling of 90234663 in words is "ninety million, two hundred thirty-four thousand, six hundred sixty-three".

Divisors: 1 3 881 2643 34141 102423 30078221 90234663