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20236007 = 111996823
BaseRepresentation
bin100110100110…
…0011011100111
31102002002120202
41031030123213
520140023012
62001421115
7334001051
oct115143347
942062522
1020236007
1110471680
12693a79b
13426698c
14298a8d1
151b9acc2
hex134c6e7

20236007 has 8 divisors (see below), whose sum is σ = 23237760. Its totient is φ = 17427960.

The previous prime is 20235989. The next prime is 20236031. The reversal of 20236007 is 70063202.

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

It is a de Polignac number, because none of the positive numbers 2k-20236007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20236007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20236507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48203 + ... + 48620.

It is an arithmetic number, because the mean of its divisors is an integer number (2904720).

Almost surely, 220236007 is an apocalyptic number.

20236007 is a deficient number, since it is larger than the sum of its proper divisors (3001753).

20236007 is a wasteful number, since it uses less digits than its factorization.

20236007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96853.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 20236007 is about 4498.4449535367. Note that the first 3 decimals coincide. The cubic root of 20236007 is about 272.5052918199.

Adding to 20236007 its reverse (70063202), we get a palindrome (90299209).

The spelling of 20236007 in words is "twenty million, two hundred thirty-six thousand, seven".

Divisors: 1 11 19 209 96823 1065053 1839637 20236007