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23009232 = 243503953
BaseRepresentation
bin101011111000…
…1011111010000
31121021222201210
41113301133100
521342243412
62141100120
7366401211
oct127613720
947258653
1023009232
1111a961a4
127857640
1349c803c
1430ad408
15204783c
hex15f17d0

23009232 has 40 divisors (see below), whose sum is σ = 59621184. Its totient is φ = 7646464.

The previous prime is 23009219. The next prime is 23009291. The reversal of 23009232 is 23290032.

It is a junction number, because it is equal to n+sod(n) for n = 23009199 and 23009208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23668 + ... + 24620.

Almost surely, 223009232 is an apocalyptic number.

It is an amenable number.

23009232 is an abundant number, since it is smaller than the sum of its proper divisors (36611952).

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

23009232 is a wasteful number, since it uses less digits than its factorization.

23009232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 23009232 is about 4796.7939292823. The cubic root of 23009232 is about 284.4247430112.

Adding to 23009232 its reverse (23290032), we get a palindrome (46299264).

The spelling of 23009232 in words is "twenty-three million, nine thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 503 953 1006 1509 1906 2012 2859 3018 3812 4024 5718 6036 7624 8048 11436 12072 15248 22872 24144 45744 479359 958718 1438077 1917436 2876154 3834872 5752308 7669744 11504616 23009232