Base | Representation |
---|---|
bin | 101000111110… |
… | …101111001001 |
3 | 202012210020212 |
4 | 220332233021 |
5 | 10222231404 |
6 | 1022130505 |
7 | 160211624 |
oct | 50765711 |
9 | 22183225 |
10 | 10742729 |
11 | 6078198 |
12 | 3720a35 |
13 | 22c195a |
14 | 15d8dbb |
15 | e2306e |
hex | a3ebc9 |
10742729 has 4 divisors (see below), whose sum is σ = 10945476. Its totient is φ = 10539984.
The previous prime is 10742723. The next prime is 10742737. The reversal of 10742729 is 92724701.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92724701 = 37 ⋅2506073.
It can be written as a sum of positive squares in 2 ways, for example, as 3841600 + 6901129 = 1960^2 + 2627^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-10742729 is a prime.
It is a super-3 number, since 3×107427293 (a number of 22 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10742695 and 10742704.
It is not an unprimeable number, because it can be changed into a prime (10742723) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101294 + ... + 101399.
It is an arithmetic number, because the mean of its divisors is an integer number (2736369).
Almost surely, 210742729 is an apocalyptic number.
It is an amenable number.
10742729 is a deficient number, since it is larger than the sum of its proper divisors (202747).
10742729 is an equidigital number, since it uses as much as digits as its factorization.
10742729 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202746.
The product of its (nonzero) digits is 7056, while the sum is 32.
The square root of 10742729 is about 3277.6102574894. The cubic root of 10742729 is about 220.6504784032.
The spelling of 10742729 in words is "ten million, seven hundred forty-two thousand, seven hundred twenty-nine".
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