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23489488 = 241131103
BaseRepresentation
bin101100110011…
…0101111010000
31122012101112001
41121212233100
522003130423
62155243344
7403441321
oct131465720
948171461
1023489488
1112294000
127a49554
134b35809
143196448
1520decad
hex1666bd0

23489488 has 40 divisors (see below), whose sum is σ = 50103936. Its totient is φ = 10667360.

The previous prime is 23489443. The next prime is 23489489. The reversal of 23489488 is 88498432.

23489488 = 622 + 632 + ... + 4132.

It is a super-5 number, since 5×234894885 (a number of 38 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23489489) 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, 20745 + ... + 21847.

Almost surely, 223489488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23489488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25051968).

23489488 is an abundant number, since it is smaller than the sum of its proper divisors (26614448).

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

23489488 is a wasteful number, since it uses less digits than its factorization.

23489488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144 (or 1116 counting only the distinct ones).

The product of its digits is 442368, while the sum is 46.

The square root of 23489488 is about 4846.5955061259. The cubic root of 23489488 is about 286.3900004831.

The spelling of 23489488 in words is "twenty-three million, four hundred eighty-nine thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 11 16 22 44 88 121 176 242 484 968 1103 1331 1936 2206 2662 4412 5324 8824 10648 12133 17648 21296 24266 48532 97064 133463 194128 266926 533852 1067704 1468093 2135408 2936186 5872372 11744744 23489488