Base | Representation |
---|---|
bin | 1000010010001… |
… | …00000111110000 |
3 | 11211202012120000 |
4 | 10021010013300 |
5 | 120242010130 |
6 | 10521150000 |
7 | 1502420202 |
oct | 411040760 |
9 | 154665500 |
10 | 69485040 |
11 | 3624a159 |
12 | 1b32b300 |
13 | 1151b311 |
14 | 932a772 |
15 | 6178260 |
hex | 42441f0 |
69485040 has 100 divisors (see below), whose sum is σ = 241354344. Its totient is φ = 18527616.
The previous prime is 69485023. The next prime is 69485057. The reversal of 69485040 is 4058496.
It is an interprime number because it is at equal distance from previous prime (69485023) and next prime (69485057).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 69484986 and 69485004.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1119 + ... + 11841.
Almost surely, 269485040 is an apocalyptic number.
69485040 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 69485040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120677172).
69485040 is an abundant number, since it is smaller than the sum of its proper divisors (171869304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69485040 is a wasteful number, since it uses less digits than its factorization.
69485040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10748 (or 10733 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 69485040 is about 8335.7687108029. The cubic root of 69485040 is about 411.1154239193.
The spelling of 69485040 in words is "sixty-nine million, four hundred eighty-five thousand, forty".
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