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20293102 = 219534029
BaseRepresentation
bin100110101101…
…0010111101110
31102011222220101
41031122113232
520143334402
62002541314
7334326364
oct115322756
942158811
1020293102
1110500565
12696783a
13428696b
1429a3634
151bacb87
hex135a5ee

20293102 has 8 divisors (see below), whose sum is σ = 32041800. Its totient is φ = 9612504.

The previous prime is 20293093. The next prime is 20293103. The reversal of 20293102 is 20139202.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 20293102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20293103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266977 + ... + 267052.

It is an arithmetic number, because the mean of its divisors is an integer number (4005225).

Almost surely, 220293102 is an apocalyptic number.

20293102 is a deficient number, since it is larger than the sum of its proper divisors (11748698).

20293102 is a wasteful number, since it uses less digits than its factorization.

20293102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534050.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20293102 is about 4504.7865654213. The cubic root of 20293102 is about 272.7613383778.

The spelling of 20293102 in words is "twenty million, two hundred ninety-three thousand, one hundred two".

Divisors: 1 2 19 38 534029 1068058 10146551 20293102