Base | Representation |
---|---|
bin | 1110100101110… |
… | …1110001010111 |
3 | 11021011100200001 |
4 | 3221131301113 |
5 | 111131421440 |
6 | 10023432131 |
7 | 1342130005 |
oct | 351356127 |
9 | 137140601 |
10 | 61201495 |
11 | 31601653 |
12 | 185b5647 |
13 | c8aab04 |
14 | 81b1a75 |
15 | 558db9a |
hex | 3a5dc57 |
61201495 has 4 divisors (see below), whose sum is σ = 73441800. Its totient is φ = 48961192.
The previous prime is 61201487. The next prime is 61201499. The reversal of 61201495 is 59410216.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 61201495 - 23 = 61201487 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61201499) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120145 + ... + 6120154.
It is an arithmetic number, because the mean of its divisors is an integer number (18360450).
Almost surely, 261201495 is an apocalyptic number.
61201495 is a deficient number, since it is larger than the sum of its proper divisors (12240305).
61201495 is a wasteful number, since it uses less digits than its factorization.
61201495 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12240304.
The product of its (nonzero) digits is 2160, while the sum is 28.
The square root of 61201495 is about 7823.1384367145. The cubic root of 61201495 is about 394.0826760976.
The spelling of 61201495 in words is "sixty-one million, two hundred one thousand, four hundred ninety-five".
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