Base | Representation |
---|---|
bin | 101100101011… |
… | …1101111110000 |
3 | 1122002021021200 |
4 | 1121113233300 |
5 | 21444144310 |
6 | 2154051200 |
7 | 403064304 |
oct | 131275760 |
9 | 48067250 |
10 | 23428080 |
11 | 12251955 |
12 | 7a19b00 |
13 | 4b13890 |
14 | 317bd04 |
15 | 20cb9c0 |
hex | 1657bf0 |
23428080 has 120 divisors (see below), whose sum is σ = 84765408. Its totient is φ = 5764608.
The previous prime is 23428079. The next prime is 23428081. The reversal of 23428080 is 8082432.
It is an interprime number because it is at equal distance from previous prime (23428079) and next prime (23428081).
It is a tau number, because it is divible by the number of its divisors (120).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23428081) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8109 + ... + 10611.
Almost surely, 223428080 is an apocalyptic number.
23428080 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 23428080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42382704).
23428080 is an abundant number, since it is smaller than the sum of its proper divisors (61337328).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23428080 is a wasteful number, since it uses less digits than its factorization.
23428080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2535 (or 2526 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 23428080 is about 4840.2561915667. The cubic root of 23428080 is about 286.1402152049.
The spelling of 23428080 in words is "twenty-three million, four hundred twenty-eight thousand, eighty".
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