Base | Representation |
---|---|
bin | 1110100111001… |
… | …1100101001011 |
3 | 11021022220012122 |
4 | 3221303211023 |
5 | 111142301302 |
6 | 10025401455 |
7 | 1342651313 |
oct | 351634513 |
9 | 137286178 |
10 | 61290827 |
11 | 31662784 |
12 | 1863928b |
13 | c90c680 |
14 | 81d6443 |
15 | 55aa3a2 |
hex | 3a7394b |
61290827 has 8 divisors (see below), whose sum is σ = 69479760. Its totient is φ = 53598240.
The previous prime is 61290811. The next prime is 61290847. The reversal of 61290827 is 72809216.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61290827 - 24 = 61290811 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61290847) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123824 + ... + 124317.
It is an arithmetic number, because the mean of its divisors is an integer number (8684970).
Almost surely, 261290827 is an apocalyptic number.
61290827 is a deficient number, since it is larger than the sum of its proper divisors (8188933).
61290827 is a wasteful number, since it uses less digits than its factorization.
61290827 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248173.
The product of its (nonzero) digits is 12096, while the sum is 35.
The square root of 61290827 is about 7828.8458280899. The cubic root of 61290827 is about 394.2743221734.
The spelling of 61290827 in words is "sixty-one million, two hundred ninety thousand, eight hundred twenty-seven".
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