Base | Representation |
---|---|
bin | 1110101001100… |
… | …1111101010001 |
3 | 11021121212211111 |
4 | 3222121331101 |
5 | 111212314032 |
6 | 10033013321 |
7 | 1344204511 |
oct | 352317521 |
9 | 137555744 |
10 | 61448017 |
11 | 3175a894 |
12 | 186b4241 |
13 | c966097 |
14 | 8237841 |
15 | 55dbc47 |
hex | 3a99f51 |
61448017 has 8 divisors (see below), whose sum is σ = 62380800. Its totient is φ = 60519264.
The previous prime is 61447949. The next prime is 61448021. The reversal of 61448017 is 71084416.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-61448017 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 61448017.
It is not an unprimeable number, because it can be changed into a prime (61448077) 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, 44268 + ... + 45634.
It is an arithmetic number, because the mean of its divisors is an integer number (7797600).
Almost surely, 261448017 is an apocalyptic number.
It is an amenable number.
61448017 is a deficient number, since it is larger than the sum of its proper divisors (932783).
61448017 is a wasteful number, since it uses less digits than its factorization.
61448017 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2015.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 61448017 is about 7838.8785549975. The cubic root of 61448017 is about 394.6110940129.
It can be divided in two parts, 6144 and 8017, that added together give a square (14161 = 1192).
The spelling of 61448017 in words is "sixty-one million, four hundred forty-eight thousand, seventeen".
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