Base | Representation |
---|---|
bin | 1000010010101… |
… | …00100110011100 |
3 | 11211212122011000 |
4 | 10021110212130 |
5 | 120301140130 |
6 | 10522430300 |
7 | 1503121041 |
oct | 411244634 |
9 | 154778130 |
10 | 69552540 |
11 | 36295942 |
12 | 1b362390 |
13 | 11542c65 |
14 | 93471c8 |
15 | 618d260 |
hex | 425499c |
69552540 has 96 divisors (see below), whose sum is σ = 227808000. Its totient is φ = 17568576.
The previous prime is 69552533. The next prime is 69552547. The reversal of 69552540 is 4525596.
69552540 is a `hidden beast` number, since 6 + 95 + 525 + 40 = 666.
It is an interprime number because it is at equal distance from previous prime (69552533) and next prime (69552547).
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 = 69552495 and 69552504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69552547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6871 + ... + 13649.
It is an arithmetic number, because the mean of its divisors is an integer number (2373000).
Almost surely, 269552540 is an apocalyptic number.
69552540 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 69552540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113904000).
69552540 is an abundant number, since it is smaller than the sum of its proper divisors (158255460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69552540 is a wasteful number, since it uses less digits than its factorization.
69552540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6816 (or 6808 counting only the distinct ones).
The product of its (nonzero) digits is 54000, while the sum is 36.
The square root of 69552540 is about 8339.8165447449. The cubic root of 69552540 is about 411.2485044122.
It can be divided in two parts, 695 and 52540, that added together give a palindrome (53235).
The spelling of 69552540 in words is "sixty-nine million, five hundred fifty-two thousand, five hundred forty".
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