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20735038 = 219752627
BaseRepresentation
bin100111100011…
…0010000111110
31110000110010101
41033012100332
520302010123
62020231314
7341150002
oct117062076
943013111
1020735038
11107825a5
126b3b53a
1343acb6c
142a7a702
151c48aad
hex13c643e

20735038 has 8 divisors (see below), whose sum is σ = 31261032. Its totient is φ = 10314696.

The previous prime is 20735027. The next prime is 20735041. The reversal of 20735038 is 83053702.

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

It is a super-2 number, since 2×207350382 = 859883601722888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20734997 and 20735015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25920 + ... + 26707.

It is an arithmetic number, because the mean of its divisors is an integer number (3907629).

Almost surely, 220735038 is an apocalyptic number.

20735038 is a deficient number, since it is larger than the sum of its proper divisors (10525994).

20735038 is a wasteful number, since it uses less digits than its factorization.

20735038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52826.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 20735038 is about 4553.5742005594. The cubic root of 20735038 is about 274.7271696320.

It can be divided in two parts, 207 and 35038, that added together give a triangular number (35245 = T265).

The spelling of 20735038 in words is "twenty million, seven hundred thirty-five thousand, thirty-eight".

Divisors: 1 2 197 394 52627 105254 10367519 20735038