Base | Representation |
---|---|
bin | 1111111101100… |
… | …0101111111111 |
3 | 11122222022112002 |
4 | 3333120233333 |
5 | 114114314340 |
6 | 10350532515 |
7 | 1442022644 |
oct | 377305777 |
9 | 148868462 |
10 | 66948095 |
11 | 34877105 |
12 | 1a50713b |
13 | 10b40676 |
14 | 8c69dcb |
15 | 5d26715 |
hex | 3fd8bff |
66948095 has 16 divisors (see below), whose sum is σ = 83388960. Its totient is φ = 51537024.
The previous prime is 66948073. The next prime is 66948103. The reversal of 66948095 is 59084966.
It is a cyclic number.
It is not a de Polignac number, because 66948095 - 26 = 66948031 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, 56984 + ... + 58146.
It is an arithmetic number, because the mean of its divisors is an integer number (5211810).
Almost surely, 266948095 is an apocalyptic number.
66948095 is a deficient number, since it is larger than the sum of its proper divisors (16440865).
66948095 is a wasteful number, since it uses less digits than its factorization.
66948095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1594.
The product of its (nonzero) digits is 466560, while the sum is 47.
The square root of 66948095 is about 8182.1815550622. The cubic root of 66948095 is about 406.0499000361.
The spelling of 66948095 in words is "sixty-six million, nine hundred forty-eight thousand, ninety-five".
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