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90572833 = 1313035347
BaseRepresentation
bin1010110011000…
…00100000100001
320022102120120101
411121200200201
5141141312313
612553142401
72146566511
oct531404041
9208376511
1090572833
114714278a
12263baa01
13159c28c0
14c059841
157e415dd
hex5660821

90572833 has 8 divisors (see below), whose sum is σ = 97633088. Its totient is φ = 83525904.

The previous prime is 90572831. The next prime is 90572843. The reversal of 90572833 is 33827509.

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

It is a cyclic number.

It is not a de Polignac number, because 90572833 - 21 = 90572831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90572792 and 90572801.

It is not an unprimeable number, because it can be changed into a prime (90572831) 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, 14266 + ... + 19612.

It is an arithmetic number, because the mean of its divisors is an integer number (12204136).

Almost surely, 290572833 is an apocalyptic number.

It is an amenable number.

90572833 is a deficient number, since it is larger than the sum of its proper divisors (7060255).

90572833 is a wasteful number, since it uses less digits than its factorization.

90572833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6663.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 90572833 is about 9516.9760428405. The cubic root of 90572833 is about 449.0892410782.

The spelling of 90572833 in words is "ninety million, five hundred seventy-two thousand, eight hundred thirty-three".

Divisors: 1 13 1303 5347 16939 69511 6967141 90572833