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9920274 = 2371318169
BaseRepresentation
bin100101110101…
…111100010010
3200200000001120
4211311330102
510014422044
6552343110
7150215040
oct45657422
920600046
109920274
115666281
1233a4a96
1320944b0
141463390
15d0e519
hex975f12

9920274 has 32 divisors (see below), whose sum is σ = 24420480. Its totient is φ = 2616192.

The previous prime is 9920257. The next prime is 9920293. The reversal of 9920274 is 4720299.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8539 + ... + 9630.

It is an arithmetic number, because the mean of its divisors is an integer number (763140).

Almost surely, 29920274 is an apocalyptic number.

9920274 is an abundant number, since it is smaller than the sum of its proper divisors (14500206).

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

9920274 is a wasteful number, since it uses less digits than its factorization.

9920274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18194.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 9920274 is about 3149.6466468479. The cubic root of 9920274 is about 214.8693924616.

The spelling of 9920274 in words is "nine million, nine hundred twenty thousand, two hundred seventy-four".

Divisors: 1 2 3 6 7 13 14 21 26 39 42 78 91 182 273 546 18169 36338 54507 109014 127183 236197 254366 381549 472394 708591 763098 1417182 1653379 3306758 4960137 9920274