Base | Representation |
---|---|
bin | 10110101001001110000 |
3 | 1101200211111 |
4 | 2311021300 |
5 | 142221000 |
6 | 23523104 |
7 | 6210160 |
oct | 2651160 |
9 | 1350744 |
10 | 742000 |
11 | 467526 |
12 | 2b9494 |
13 | 1cc96c |
14 | 1545a0 |
15 | e9cba |
hex | b5270 |
742000 has 80 divisors (see below), whose sum is σ = 2089152. Its totient is φ = 249600.
The previous prime is 741991. The next prime is 742009. The reversal of 742000 is 247.
It is an interprime number because it is at equal distance from previous prime (741991) and next prime (742009).
It is a tau number, because it is divible by the number of its divisors (80).
It is a nialpdrome in base 10.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (742009) by changing a digit.
742000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13974 + ... + 14026.
2742000 is an apocalyptic number.
742000 is a gapful number since it is divisible by the number (70) 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 742000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1044576).
742000 is an abundant number, since it is smaller than the sum of its proper divisors (1347152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
742000 is a wasteful number, since it uses less digits than its factorization.
742000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83 (or 67 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 13.
The square root of 742000 is about 861.3942186943. The cubic root of 742000 is about 90.5318305257.
Adding to 742000 its reverse (247), we get a palindrome (742247).
The spelling of 742000 in words is "seven hundred forty-two thousand", and thus it is an iban number.
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