| Base | Representation |
|---|---|
| bin | 101001011001000… |
| … | …101001001011100 |
| 3 | 1210101201020100000 |
| 4 | 221121011021130 |
| 5 | 2410234044130 |
| 6 | 152524134300 |
| 7 | 23131434663 |
| oct | 5131051134 |
| 9 | 1711636300 |
| 10 | 694440540 |
| 11 | 326aa2502 |
| 12 | 174697390 |
| 13 | b0b43a81 |
| 14 | 6832bdda |
| 15 | 40e75260 |
| hex | 2964525c |
694440540 has 144 divisors (see below), whose sum is σ = 2235961728. Its totient is φ = 180823104.
The previous prime is 694440521. The next prime is 694440547. The reversal of 694440540 is 45044496.
694440540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
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 = 694440495 and 694440504.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (694440547) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 207319 + ... + 210641.
It is an arithmetic number, because the mean of its divisors is an integer number (15527512).
Almost surely, 2694440540 is an apocalyptic number.
694440540 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 694440540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117980864).
694440540 is an abundant number, since it is smaller than the sum of its proper divisors (1541521188).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
694440540 is a wasteful number, since it uses less digits than its factorization.
694440540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3390 (or 3376 counting only the distinct ones).
The product of its (nonzero) digits is 69120, while the sum is 36.
The square root of 694440540 is about 26352.2397530077. The cubic root of 694440540 is about 885.5471480125.
The spelling of 694440540 in words is "six hundred ninety-four million, four hundred forty thousand, five hundred forty".
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