Search a number
-
+
23206425 = 35211231223
BaseRepresentation
bin101100010000…
…1101000011001
31121200000020020
41120201220121
521420101200
62145221053
7401152134
oct130415031
947600206
1023206425
1112110370
127931789
134a66a18
14312121b
152085ea0
hex1621a19

23206425 has 48 divisors (see below), whose sum is σ = 43711488. Its totient is φ = 10753600.

The previous prime is 23206399. The next prime is 23206433. The reversal of 23206425 is 52460232.

It is not a de Polignac number, because 23206425 - 29 = 23205913 is a prime.

It is a super-2 number, since 2×232064252 = 1077076322561250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23206395 and 23206404.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18364 + ... + 19586.

It is an arithmetic number, because the mean of its divisors is an integer number (910656).

Almost surely, 223206425 is an apocalyptic number.

23206425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23206425 is a deficient number, since it is larger than the sum of its proper divisors (20505063).

23206425 is a wasteful number, since it uses less digits than its factorization.

23206425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270 (or 1265 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 23206425 is about 4817.3047443565. The cubic root of 23206425 is about 285.2349555249.

Adding to 23206425 its reverse (52460232), we get a palindrome (75666657).

The spelling of 23206425 in words is "twenty-three million, two hundred six thousand, four hundred twenty-five".

Divisors: 1 3 5 11 15 23 25 33 55 69 75 115 165 253 275 345 575 759 825 1223 1265 1725 3669 3795 6115 6325 13453 18345 18975 28129 30575 40359 67265 84387 91725 140645 201795 309419 336325 421935 703225 928257 1008975 1547095 2109675 4641285 7735475 23206425