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90823343 = 1323893413
BaseRepresentation
bin1010110100111…
…01101010101111
320022220022012112
411122131222233
5141222321333
613002354235
72151662042
oct532355257
9208808175
1090823343
11472a3a16
12264bb97b
1315a7c930
14c0c2c59
157e90948
hex569daaf

90823343 has 16 divisors (see below), whose sum is σ = 103239360. Its totient is φ = 79267584.

The previous prime is 90823339. The next prime is 90823351. The reversal of 90823343 is 34332809.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 90823343 - 22 = 90823339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90823373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24905 + ... + 28317.

It is an arithmetic number, because the mean of its divisors is an integer number (6452460).

Almost surely, 290823343 is an apocalyptic number.

90823343 is a deficient number, since it is larger than the sum of its proper divisors (12416017).

90823343 is a wasteful number, since it uses less digits than its factorization.

90823343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3538.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 90823343 is about 9530.1281733248. The cubic root of 90823343 is about 449.5028963318.

The spelling of 90823343 in words is "ninety million, eight hundred twenty-three thousand, three hundred forty-three".

Divisors: 1 13 23 89 299 1157 2047 3413 26611 44369 78499 303757 1020487 3948841 6986411 90823343