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9040900 = 2252118219
BaseRepresentation
bin100010011111…
…010000000100
3122000022210011
4202133100010
54303302100
6521440004
7136563211
oct42372004
918008704
109040900
115115620
123040004
131b4715b
1412b4b08
15bd8bba
hex89f404

9040900 has 36 divisors (see below), whose sum is σ = 21404880. Its totient is φ = 3287200.

The previous prime is 9040897. The next prime is 9040907. The reversal of 9040900 is 90409.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (9040907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3010 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (594580).

Almost surely, 29040900 is an apocalyptic number.

It is an amenable number.

9040900 is an abundant number, since it is smaller than the sum of its proper divisors (12363980).

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

9040900 is a wasteful number, since it uses less digits than its factorization.

9040900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8244 (or 8237 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9040900 is about 3006.8089397233. The cubic root of 9040900 is about 208.3230003764.

Multiplying 9040900 by its reverse (90409), we get a square (817378728100 = 9040902).

9040900 divided by its reverse (90409) gives a square (100 = 102).

The spelling of 9040900 in words is "nine million, forty thousand, nine hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 8219 16438 32876 41095 82190 90409 164380 180818 205475 361636 410950 452045 821900 904090 1808180 2260225 4520450 9040900