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20844952 = 238331393
BaseRepresentation
bin100111110000…
…1000110011000
31110020000220021
41033201012120
520314014302
62022440224
7342115312
oct117410630
943200807
1020844952
1110848137
126b93074
13441abbb
142aa87b2
151c6b437
hex13e1198

20844952 has 16 divisors (see below), whose sum is σ = 39556440. Its totient is φ = 10296576.

The previous prime is 20844947. The next prime is 20844959. The reversal of 20844952 is 25944802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20844959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15033 + ... + 16360.

Almost surely, 220844952 is an apocalyptic number.

It is an amenable number.

20844952 is a deficient number, since it is larger than the sum of its proper divisors (18711488).

20844952 is a wasteful number, since it uses less digits than its factorization.

20844952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31482 (or 31478 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 20844952 is about 4565.6272296367. The cubic root of 20844952 is about 275.2117465578.

The spelling of 20844952 in words is "twenty million, eight hundred forty-four thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 83 166 332 664 31393 62786 125572 251144 2605619 5211238 10422476 20844952