| Base | Representation |
|---|---|
| bin | 110010011110001… |
| … | …0101110010000000 |
| 3 | 11101000200201101120 |
| 4 | 1210330111302000 |
| 5 | 11432021230311 |
| 6 | 440014232240 |
| 7 | 56652563550 |
| oct | 14474256200 |
| 9 | 4330621346 |
| 10 | 1693539456 |
| 11 | 799a60294 |
| 12 | 3b31b5680 |
| 13 | 20cb26a6b |
| 14 | 120cc3160 |
| 15 | 9da29706 |
| hex | 64f15c80 |
1693539456 has 128 divisors (see below), whose sum is σ = 5443666560. Its totient is φ = 455393280.
The previous prime is 1693539413. The next prime is 1693539457. The reversal of 1693539456 is 6549353961.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (51).
It is a junction number, because it is equal to n+sod(n) for n = 1693539399 and 1693539408.
It is not an unprimeable number, because it can be changed into a prime (1693539457) 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 15 ways as a sum of consecutive naturals, for example, 27166 + ... + 64226.
It is an arithmetic number, because the mean of its divisors is an integer number (42528645).
Almost surely, 21693539456 is an apocalyptic number.
1693539456 is a gapful number since it is divisible by the number (16) 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 1693539456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2721833280).
1693539456 is an abundant number, since it is smaller than the sum of its proper divisors (3750127104).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1693539456 is a wasteful number, since it uses less digits than its factorization.
1693539456 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37102 (or 37090 counting only the distinct ones).
The product of its digits is 2624400, while the sum is 51.
The square root of 1693539456 is about 41152.6360759551. The cubic root of 1693539456 is about 1191.9693999922.
The spelling of 1693539456 in words is "one billion, six hundred ninety-three million, five hundred thirty-nine thousand, four hundred fifty-six".
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