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20207234 = 297104161
BaseRepresentation
bin100110100010…
…1011010000010
31102000122010002
41031011122002
520133112414
62001040002
7333521135
oct115053202
942018102
1020207234
1110451aa3
126926002
134256858
14298021c
151b924de
hex1345682

20207234 has 8 divisors (see below), whose sum is σ = 30623628. Its totient is φ = 9999360.

The previous prime is 20207233. The next prime is 20207251. The reversal of 20207234 is 43270202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20205025 + 2209 = 4495^2 + 47^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20207233) 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, 51887 + ... + 52274.

Almost surely, 220207234 is an apocalyptic number.

20207234 is a deficient number, since it is larger than the sum of its proper divisors (10416394).

20207234 is a wasteful number, since it uses less digits than its factorization.

20207234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104260.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 20207234 is about 4495.2457107482. The cubic root of 20207234 is about 272.3760747285.

Adding to 20207234 its reverse (43270202), we get a palindrome (63477436).

The spelling of 20207234 in words is "twenty million, two hundred seven thousand, two hundred thirty-four".

Divisors: 1 2 97 194 104161 208322 10103617 20207234