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20234053 = 712132383
BaseRepresentation
bin100110100101…
…1111101000101
31102001222220101
41031023331011
520134442203
62001404101
7333662260
oct115137505
942058811
1020234053
1110470164
126939631
134265b18
142989cd7
151b9a41d
hex134bf45

20234053 has 8 divisors (see below), whose sum is σ = 23153408. Its totient is φ = 17321904.

The previous prime is 20234047. The next prime is 20234057. The reversal of 20234053 is 35043202.

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

It is a cyclic number.

It is not a de Polignac number, because 20234053 - 221 = 18136901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20234053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20234057) 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, 7300 + ... + 9682.

It is an arithmetic number, because the mean of its divisors is an integer number (2894176).

Almost surely, 220234053 is an apocalyptic number.

It is an amenable number.

20234053 is a deficient number, since it is larger than the sum of its proper divisors (2919355).

20234053 is a wasteful number, since it uses less digits than its factorization.

20234053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20234053 is about 4498.2277621303. The cubic root of 20234053 is about 272.4965204505.

Adding to 20234053 its reverse (35043202), we get a palindrome (55277255).

The spelling of 20234053 in words is "twenty million, two hundred thirty-four thousand, fifty-three".

Divisors: 1 7 1213 2383 8491 16681 2890579 20234053