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23530014 = 234337431
BaseRepresentation
bin101100111000…
…0101000011110
31122021110010000
41121300220132
522010430024
62200155130
7404000424
oct131605036
948243100
1023530014
11123114a2
127a68aa6
134b4b0b1
1431a7114
1520ebcc9
hex1670a1e

23530014 has 40 divisors (see below), whose sum is σ = 53003808. Its totient is φ = 7801920.

The previous prime is 23530007. The next prime is 23530019. The reversal of 23530014 is 41003532.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23530019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 54379 + ... + 54809.

Almost surely, 223530014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23530014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26501904).

23530014 is an abundant number, since it is smaller than the sum of its proper divisors (29473794).

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

23530014 is a wasteful number, since it uses less digits than its factorization.

23530014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 23530014 is about 4850.7745773227. The cubic root of 23530014 is about 286.5546070633.

Adding to 23530014 its reverse (41003532), we get a palindrome (64533546).

The spelling of 23530014 in words is "twenty-three million, five hundred thirty thousand, fourteen".

Divisors: 1 2 3 6 9 18 27 54 81 162 337 431 674 862 1011 1293 2022 2586 3033 3879 6066 7758 9099 11637 18198 23274 27297 34911 54594 69822 145247 290494 435741 871482 1307223 2614446 3921669 7843338 11765007 23530014