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23532231 = 365911903
BaseRepresentation
bin101100111000…
…1001011000111
31122021120011010
41121301023013
522011012411
62200213303
7404010042
oct131611307
948246133
1023532231
1112313128
127a6a233
134b4c0c8
1431a7c59
1520ec7a6
hex16712c7

23532231 has 8 divisors (see below), whose sum is σ = 31426560. Its totient is φ = 15663032.

The previous prime is 23532227. The next prime is 23532277. The reversal of 23532231 is 13223532.

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 23532231 - 22 = 23532227 is a prime.

It is a super-2 number, since 2×235322312 = 1107531791674722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23532198 and 23532207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23532221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3975 + ... + 7928.

It is an arithmetic number, because the mean of its divisors is an integer number (3928320).

Almost surely, 223532231 is an apocalyptic number.

23532231 is a deficient number, since it is larger than the sum of its proper divisors (7894329).

23532231 is a wasteful number, since it uses less digits than its factorization.

23532231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12565.

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

The square root of 23532231 is about 4851.0030921450. The cubic root of 23532231 is about 286.5636065141.

Adding to 23532231 its reverse (13223532), we get a palindrome (36755763).

The spelling of 23532231 in words is "twenty-three million, five hundred thirty-two thousand, two hundred thirty-one".

Divisors: 1 3 659 1977 11903 35709 7844077 23532231