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23240700 = 223252721731
BaseRepresentation
bin101100010100…
…1111111111100
31121201202020200
41120221333330
521422200300
62150043500
7401354100
oct130517774
947652220
1023240700
111213409a
127949590
134a794c2
14312d900
152091200
hex1629ffc

23240700 has 324 divisors, whose sum is σ = 92619072. Its totient is φ = 4838400.

The previous prime is 23240677. The next prime is 23240729. The reversal of 23240700 is 704232.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 749685 + ... + 749715.

Almost surely, 223240700 is an apocalyptic number.

23240700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23240700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46309536).

23240700 is an abundant number, since it is smaller than the sum of its proper divisors (69378372).

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

23240700 is a wasteful number, since it uses less digits than its factorization.

23240700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 23240700 is about 4820.8609189646. The cubic root of 23240700 is about 285.3753134776.

Adding to 23240700 its reverse (704232), we get a palindrome (23944932).

The spelling of 23240700 in words is "twenty-three million, two hundred forty thousand, seven hundred".