Base | Representation |
---|---|
bin | 10110101001010011111 |
3 | 1101200220020 |
4 | 2311022133 |
5 | 142221142 |
6 | 23523223 |
7 | 6210255 |
oct | 2651237 |
9 | 1350806 |
10 | 742047 |
11 | 467569 |
12 | 2b9513 |
13 | 1cc9a7 |
14 | 1545d5 |
15 | e9cec |
hex | b529f |
742047 has 16 divisors (see below), whose sum is σ = 1044480. Its totient is φ = 468000.
The previous prime is 742037. The next prime is 742057. The reversal of 742047 is 740247.
It is an interprime number because it is at equal distance from previous prime (742037) and next prime (742057).
It is not a de Polignac number, because 742047 - 24 = 742031 is a prime.
742047 is a lucky number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (742037) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7297 + ... + 7397.
It is an arithmetic number, because the mean of its divisors is an integer number (65280).
2742047 is an apocalyptic number.
742047 is a deficient number, since it is larger than the sum of its proper divisors (302433).
742047 is a wasteful number, since it uses less digits than its factorization.
742047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 214.
The product of its (nonzero) digits is 1568, while the sum is 24.
The square root of 742047 is about 861.4214996156. The cubic root of 742047 is about 90.5337419840.
The spelling of 742047 in words is "seven hundred forty-two thousand, forty-seven", and thus it is an iban number.
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