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10820994 = 2319234127
BaseRepresentation
bin101001010001…
…110110000010
3202100202121120
4221101312002
510232232434
61023533110
7160656042
oct51216602
922322546
1010820994
116120a78
12375a196
13231b472
141619722
15e3b349
hexa51d82

10820994 has 32 divisors (see below), whose sum is σ = 23777280. Its totient is φ = 3267792.

The previous prime is 10820981. The next prime is 10821001. The reversal of 10820994 is 49902801.

It is a super-2 number, since 2×108209942 = 234187822296072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (743040).

Almost surely, 210820994 is an apocalyptic number.

10820994 is an abundant number, since it is smaller than the sum of its proper divisors (12956286).

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

10820994 is a wasteful number, since it uses less digits than its factorization.

10820994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 10820994 is about 3289.5279296580. The cubic root of 10820994 is about 221.1850241707.

The spelling of 10820994 in words is "ten million, eight hundred twenty thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 19 23 38 46 57 69 114 138 437 874 1311 2622 4127 8254 12381 24762 78413 94921 156826 189842 235239 284763 470478 569526 1803499 3606998 5410497 10820994