Base | Representation |
---|---|
bin | 101100010101… |
… | …1100100010000 |
3 | 1121202002001110 |
4 | 1120223210100 |
5 | 21422401440 |
6 | 2150133320 |
7 | 401411601 |
oct | 130534420 |
9 | 47662043 |
10 | 23247120 |
11 | 121389a6 |
12 | 7951240 |
13 | 4a7c3c0 |
14 | 3131da8 |
15 | 2093080 |
hex | 162b910 |
23247120 has 80 divisors (see below), whose sum is σ = 77620032. Its totient is φ = 5721600.
The previous prime is 23247113. The next prime is 23247131. The reversal of 23247120 is 2174232.
23247120 = T104 + T105 + ... + T519.
It is a tau number, because it is divible by the number of its divisors (80).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 606 + ... + 6845.
Almost surely, 223247120 is an apocalyptic number.
23247120 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 23247120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38810016).
23247120 is an abundant number, since it is smaller than the sum of its proper divisors (54372912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23247120 is a wasteful number, since it uses less digits than its factorization.
23247120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7480 (or 7474 counting only the distinct ones).
The product of its (nonzero) digits is 672, while the sum is 21.
The square root of 23247120 is about 4821.5267291596. The cubic root of 23247120 is about 285.4015883723.
The spelling of 23247120 in words is "twenty-three million, two hundred forty-seven thousand, one hundred twenty".
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