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23530032 = 2432163403
BaseRepresentation
bin101100111000…
…0101000110000
31122021110010200
41121300220300
522010430112
62200155200
7404000451
oct131605060
948243120
1023530032
1112311509
127a68b00
134b4b0c6
1431a7128
1520ebcdc
hex1670a30

23530032 has 30 divisors (see below), whose sum is σ = 65851812. Its totient is φ = 7843296.

The previous prime is 23530027. The next prime is 23530043. The reversal of 23530032 is 23003532.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23529987 and 23530014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81558 + ... + 81845.

Almost surely, 223530032 is an apocalyptic number.

It is an amenable number.

23530032 is an abundant number, since it is smaller than the sum of its proper divisors (42321780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23530032 is a wasteful number, since it uses less digits than its factorization.

23530032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163417 (or 163408 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 23530032 is about 4850.7764326961. The cubic root of 23530032 is about 286.5546801328.

Adding to 23530032 its reverse (23003532), we get a palindrome (46533564).

The spelling of 23530032 in words is "twenty-three million, five hundred thirty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 163403 326806 490209 653612 980418 1307224 1470627 1960836 2614448 2941254 3921672 5882508 7843344 11765016 23530032