Search a number
-
+
20352153 = 31092571
BaseRepresentation
bin100110110100…
…0110010011001
31102021222220110
41031220302121
520202232103
62004114533
7334663503
oct115506231
942258813
1020352153
1110540968
126995a49
1342a77c3
1429bad73
151bc0403
hex1368c99

20352153 has 12 divisors (see below), whose sum is σ = 27435408. Its totient is φ = 13420080.

The previous prime is 20352127. The next prime is 20352161. The reversal of 20352153 is 35125302.

It is not a de Polignac number, because 20352153 - 222 = 16157849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20352653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35358 + ... + 35928.

It is an arithmetic number, because the mean of its divisors is an integer number (2286284).

Almost surely, 220352153 is an apocalyptic number.

It is an amenable number.

20352153 is a deficient number, since it is larger than the sum of its proper divisors (7083255).

20352153 is an equidigital number, since it uses as much as digits as its factorization.

20352153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 20352153 is about 4511.3360548733. The cubic root of 20352153 is about 273.0256520328.

Adding to 20352153 its reverse (35125302), we get a palindrome (55477455).

The spelling of 20352153 in words is "twenty million, three hundred fifty-two thousand, one hundred fifty-three".

Divisors: 1 3 109 327 571 1713 11881 35643 62239 186717 6784051 20352153