Base | Representation |
---|---|
bin | 1110110001011… |
… | …0111110010101 |
3 | 11022120220020222 |
4 | 3230112332111 |
5 | 111330210320 |
6 | 10052004125 |
7 | 1351436435 |
oct | 354267625 |
9 | 138526228 |
10 | 61960085 |
11 | 31a7a590 |
12 | 18900645 |
13 | cab5195 |
14 | 832c2c5 |
15 | 568d825 |
hex | 3b16f95 |
61960085 has 16 divisors (see below), whose sum is σ = 81430272. Its totient is φ = 44884800.
The previous prime is 61960039. The next prime is 61960097. The reversal of 61960085 is 58006916.
It is not a de Polignac number, because 61960085 - 214 = 61943701 is a prime.
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, 12827 + ... + 16983.
It is an arithmetic number, because the mean of its divisors is an integer number (5089392).
Almost surely, 261960085 is an apocalyptic number.
It is an amenable number.
61960085 is a deficient number, since it is larger than the sum of its proper divisors (19470187).
61960085 is a wasteful number, since it uses less digits than its factorization.
61960085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4444.
The product of its (nonzero) digits is 12960, while the sum is 35.
The square root of 61960085 is about 7871.4728609073. The cubic root of 61960085 is about 395.7042076575.
The spelling of 61960085 in words is "sixty-one million, nine hundred sixty thousand, eighty-five".
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