Base | Representation |
---|---|
bin | 1110100111111… |
… | …1000100011101 |
3 | 11021102021202112 |
4 | 3221333010131 |
5 | 111200303020 |
6 | 10030403405 |
7 | 1343235440 |
oct | 351770435 |
9 | 137367675 |
10 | 61337885 |
11 | 31695074 |
12 | 18660565 |
13 | c927c0b |
14 | 8209657 |
15 | 55b92c5 |
hex | 3a7f11d |
61337885 has 16 divisors (see below), whose sum is σ = 85276416. Its totient is φ = 41482368.
The previous prime is 61337873. The next prime is 61337923. The reversal of 61337885 is 58873316.
It is a cyclic number.
It is not a de Polignac number, because 61337885 - 220 = 60289309 is a prime.
It is a super-2 number, since 2×613378852 = 7524672272546450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9449 + ... + 14558.
It is an arithmetic number, because the mean of its divisors is an integer number (5329776).
Almost surely, 261337885 is an apocalyptic number.
It is an amenable number.
61337885 is a deficient number, since it is larger than the sum of its proper divisors (23938531).
61337885 is a wasteful number, since it uses less digits than its factorization.
61337885 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24092.
The product of its digits is 120960, while the sum is 41.
The square root of 61337885 is about 7831.8506752874. The cubic root of 61337885 is about 394.3752019492.
The spelling of 61337885 in words is "sixty-one million, three hundred thirty-seven thousand, eight hundred eighty-five".
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