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11222940 = 2235187049
BaseRepresentation
bin101010110011…
…111110011100
3210010011222110
4222303332130
510333113230
61040314020
7164251641
oct52637634
923104873
1011222940
116375a63
123912910
13242c3c1
1416c1dc8
15eba4b0
hexab3f9c

11222940 has 24 divisors (see below), whose sum is σ = 31424400. Its totient is φ = 2992768.

The previous prime is 11222917. The next prime is 11223001. The reversal of 11222940 is 4922211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93465 + ... + 93584.

It is an arithmetic number, because the mean of its divisors is an integer number (1309350).

Almost surely, 211222940 is an apocalyptic number.

11222940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222940 is an abundant number, since it is smaller than the sum of its proper divisors (20201460).

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

11222940 is a wasteful number, since it uses less digits than its factorization.

11222940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187061 (or 187059 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 11222940 is about 3350.0656709981. The cubic root of 11222940 is about 223.8904385551.

The spelling of 11222940 in words is "eleven million, two hundred twenty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 187049 374098 561147 748196 935245 1122294 1870490 2244588 2805735 3740980 5611470 11222940