Base | Representation |
---|---|
bin | 1000010010001… |
… | …00100101110000 |
3 | 11211202022012010 |
4 | 10021010211300 |
5 | 120242040320 |
6 | 10521202520 |
7 | 1502425614 |
oct | 411044560 |
9 | 154668163 |
10 | 69486960 |
11 | 36250644 |
12 | 1b330440 |
13 | 1151c15a |
14 | 932b344 |
15 | 6178ae0 |
hex | 4244970 |
69486960 has 80 divisors (see below), whose sum is σ = 216236160. Its totient is φ = 18458880.
The previous prime is 69486959. The next prime is 69487013. The reversal of 69486960 is 6968496.
It is a tau number, because it is divible by the number of its divisors (80).
It is a super-2 number, since 2×694869602 = 9656875220083200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
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, 100215 + ... + 100905.
It is an arithmetic number, because the mean of its divisors is an integer number (2702952).
Almost surely, 269486960 is an apocalyptic number.
69486960 is a gapful number since it is divisible by the number (60) 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 69486960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108118080).
69486960 is an abundant number, since it is smaller than the sum of its proper divisors (146749200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69486960 is a wasteful number, since it uses less digits than its factorization.
69486960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1126 (or 1120 counting only the distinct ones).
The product of its (nonzero) digits is 559872, while the sum is 48.
The square root of 69486960 is about 8335.8838763505. The cubic root of 69486960 is about 411.1192105106.
The spelling of 69486960 in words is "sixty-nine million, four hundred eighty-six thousand, nine hundred sixty".
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