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9090672 = 243189389
BaseRepresentation
bin100010101011…
…011001110000
3122002212001120
4202223121300
54311400142
6522502240
7140161263
oct42533160
918085046
109090672
115149a58
123064980
131b639c6
1412c8cda
15be87ec
hex8ab670

9090672 has 20 divisors (see below), whose sum is σ = 23484360. Its totient is φ = 3030208.

The previous prime is 9090671. The next prime is 9090689. The reversal of 9090672 is 2760909.

It is a super-3 number, since 3×90906723 (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9090671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94647 + ... + 94742.

It is an arithmetic number, because the mean of its divisors is an integer number (1174218).

Almost surely, 29090672 is an apocalyptic number.

It is an amenable number.

9090672 is an abundant number, since it is smaller than the sum of its proper divisors (14393688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9090672 is a wasteful number, since it uses less digits than its factorization.

9090672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189400 (or 189394 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 9090672 is about 3015.0741284420. The cubic root of 9090672 is about 208.7045878722.

The spelling of 9090672 in words is "nine million, ninety thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 189389 378778 568167 757556 1136334 1515112 2272668 3030224 4545336 9090672