Base | Representation |
---|---|
bin | 1001000111000… |
… | …11000011011001 |
3 | 12022210220210110 |
4 | 10203203003121 |
5 | 124031134411 |
6 | 11330034533 |
7 | 1615423434 |
oct | 443430331 |
9 | 168726713 |
10 | 76427481 |
11 | 3a161109 |
12 | 21718a49 |
13 | 12aac280 |
14 | a21681b |
15 | 6a9a2a6 |
hex | 48e30d9 |
76427481 has 16 divisors (see below), whose sum is σ = 115519040. Its totient is φ = 44556480.
The previous prime is 76427419. The next prime is 76427489. The reversal of 76427481 is 18472467.
It is not a de Polignac number, because 76427481 - 210 = 76426457 is a prime.
It is a super-2 number, since 2×764274812 = 11682319704010722, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is not an unprimeable number, because it can be changed into a prime (76427489) 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, 50830 + ... + 52311.
It is an arithmetic number, because the mean of its divisors is an integer number (7219940).
Almost surely, 276427481 is an apocalyptic number.
It is an amenable number.
76427481 is a deficient number, since it is larger than the sum of its proper divisors (39091559).
76427481 is a wasteful number, since it uses less digits than its factorization.
76427481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103176.
The product of its digits is 75264, while the sum is 39.
The square root of 76427481 is about 8742.2812240284. The cubic root of 76427481 is about 424.3750556603.
The spelling of 76427481 in words is "seventy-six million, four hundred twenty-seven thousand, four hundred eighty-one".
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