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9949220 = 225497461
BaseRepresentation
bin100101111101…
…000000100100
3200201110202122
4211331000210
510021333340
6553125112
7150365321
oct45750044
920643678
109949220
115685aa6
1233b9798
1320a4718
14146db48
15d17db5
hex97d024

9949220 has 12 divisors (see below), whose sum is σ = 20893404. Its totient is φ = 3979680.

The previous prime is 9949169. The next prime is 9949231. The reversal of 9949220 is 229499.

It can be written as a sum of positive squares in 2 ways, for example, as 2408704 + 7540516 = 1552^2 + 2746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248711 + ... + 248750.

It is an arithmetic number, because the mean of its divisors is an integer number (1741117).

Almost surely, 29949220 is an apocalyptic number.

It is an amenable number.

9949220 is an abundant number, since it is smaller than the sum of its proper divisors (10944184).

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

9949220 is a wasteful number, since it uses less digits than its factorization.

9949220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497470 (or 497468 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9949220 is about 3154.2384183825. The cubic root of 9949220 is about 215.0781760059.

The spelling of 9949220 in words is "nine million, nine hundred forty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 497461 994922 1989844 2487305 4974610 9949220