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20230153 = 175322453
BaseRepresentation
bin100110100101…
…1000000001001
31102001210112221
41031023000021
520134331103
62001334041
7333645016
oct115130011
942053487
1020230153
1110468239
126937321
134264108
14298870d
151b991bd
hex134b009

20230153 has 8 divisors (see below), whose sum is σ = 21825288. Its totient is φ = 18680064.

The previous prime is 20230151. The next prime is 20230201. The reversal of 20230153 is 35103202.

It can be written as a sum of positive squares in 4 ways, for example, as 3485689 + 16744464 = 1867^2 + 4092^2 .

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 20230153 - 21 = 20230151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20230151) 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, 10326 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (2728161).

Almost surely, 220230153 is an apocalyptic number.

It is an amenable number.

20230153 is a deficient number, since it is larger than the sum of its proper divisors (1595135).

20230153 is a wasteful number, since it uses less digits than its factorization.

20230153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22523.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 20230153 is about 4497.7942371789. The cubic root of 20230153 is about 272.4790119346.

Adding to 20230153 its reverse (35103202), we get a palindrome (55333355).

It can be divided in two parts, 202 and 30153, that multiplied together give a palindrome (6090906).

The spelling of 20230153 in words is "twenty million, two hundred thirty thousand, one hundred fifty-three".

Divisors: 1 17 53 901 22453 381701 1190009 20230153