Search a number
-
+
13435023 = 375312071
BaseRepresentation
bin110011010000…
…000010001111
3221021120101110
4303100002033
511414410043
61155543103
7222124110
oct63200217
927246343
1013435023
117646a28
1245baa93
132a25224
141ada207
1512a5b33
hexcd008f

13435023 has 16 divisors (see below), whose sum is σ = 20860416. Its totient is φ = 7531680.

The previous prime is 13435021. The next prime is 13435031. The reversal of 13435023 is 32053431.

It is not a de Polignac number, because 13435023 - 21 = 13435021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13435021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4923 + ... + 7148.

It is an arithmetic number, because the mean of its divisors is an integer number (1303776).

Almost surely, 213435023 is an apocalyptic number.

13435023 is a deficient number, since it is larger than the sum of its proper divisors (7425393).

13435023 is a wasteful number, since it uses less digits than its factorization.

13435023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12134.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13435023 is about 3665.3816990867. The cubic root of 13435023 is about 237.7275263725.

Adding to 13435023 its reverse (32053431), we get a palindrome (45488454).

The spelling of 13435023 in words is "thirteen million, four hundred thirty-five thousand, twenty-three".

Divisors: 1 3 7 21 53 159 371 1113 12071 36213 84497 253491 639763 1919289 4478341 13435023