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90816343 = 193470551
BaseRepresentation
bin1010110100110…
…11111101010111
320022212221121021
411122123331113
5141222110333
613002302011
72151632452
oct532337527
9208787537
1090816343
1147299732
12264b7907
1315a796a7
14c0c0499
157e8d82d
hex569bf57

90816343 has 4 divisors (see below), whose sum is σ = 91287088. Its totient is φ = 90345600.

The previous prime is 90816317. The next prime is 90816367. The reversal of 90816343 is 34361809.

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-90816343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90816299 and 90816308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90813343) 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, 235083 + ... + 235468.

It is an arithmetic number, because the mean of its divisors is an integer number (22821772).

Almost surely, 290816343 is an apocalyptic number.

90816343 is a deficient number, since it is larger than the sum of its proper divisors (470745).

90816343 is a wasteful number, since it uses less digits than its factorization.

90816343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470744.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 90816343 is about 9529.7609099074. The cubic root of 90816343 is about 449.4913479016.

The spelling of 90816343 in words is "ninety million, eight hundred sixteen thousand, three hundred forty-three".

Divisors: 1 193 470551 90816343