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20755694 = 235329399
BaseRepresentation
bin100111100101…
…1010011101110
31110001111110102
41033023103232
520303140234
62020511102
7341264141
oct117132356
943044412
1020755694
1110797073
126b4b492
1343b939b
142a84058
151c4ec7e
hex13cb4ee

20755694 has 8 divisors (see below), whose sum is σ = 31222800. Its totient is φ = 10348096.

The previous prime is 20755681. The next prime is 20755703. The reversal of 20755694 is 49655702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 13994 + ... + 15405.

It is an arithmetic number, because the mean of its divisors is an integer number (3902850).

Almost surely, 220755694 is an apocalyptic number.

20755694 is a deficient number, since it is larger than the sum of its proper divisors (10467106).

20755694 is a wasteful number, since it uses less digits than its factorization.

20755694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29754.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 20755694 is about 4555.8417443981. The cubic root of 20755694 is about 274.8183660099.

The spelling of 20755694 in words is "twenty million, seven hundred fifty-five thousand, six hundred ninety-four".

Divisors: 1 2 353 706 29399 58798 10377847 20755694