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20695054 = 283124669
BaseRepresentation
bin100111011110…
…0100000001110
31102221102021111
41032330200032
520244220204
62015322234
7340622302
oct116744016
942842244
1020695054
1110755556
126b2037a
1343978c3
142a69d02
151c3bd04
hex13bc80e

20695054 has 8 divisors (see below), whose sum is σ = 31416840. Its totient is φ = 10222776.

The previous prime is 20695033. The next prime is 20695061. The reversal of 20695054 is 45059602.

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, 62169 + ... + 62500.

It is an arithmetic number, because the mean of its divisors is an integer number (3927105).

Almost surely, 220695054 is an apocalyptic number.

20695054 is a deficient number, since it is larger than the sum of its proper divisors (10721786).

20695054 is a wasteful number, since it uses less digits than its factorization.

20695054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124754.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 20695054 is about 4549.1816846549. The cubic root of 20695054 is about 274.5504677707.

The spelling of 20695054 in words is "twenty million, six hundred ninety-five thousand, fifty-four".

Divisors: 1 2 83 166 124669 249338 10347527 20695054