Base | Representation |
---|---|
bin | 1110110001100… |
… | …0011110101110 |
3 | 11022121012201110 |
4 | 3230120132232 |
5 | 111330410004 |
6 | 10052052450 |
7 | 1351463430 |
oct | 354303656 |
9 | 138535643 |
10 | 61966254 |
11 | 31a84189 |
12 | 18904126 |
13 | cab7c2c |
14 | 8330650 |
15 | 5690589 |
hex | 3b187ae |
61966254 has 16 divisors (see below), whose sum is σ = 141637248. Its totient is φ = 17704632.
The previous prime is 61966249. The next prime is 61966259. The reversal of 61966254 is 45266916.
It is an interprime number because it is at equal distance from previous prime (61966249) and next prime (61966259).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61966259) 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, 737652 + ... + 737735.
It is an arithmetic number, because the mean of its divisors is an integer number (8852328).
Almost surely, 261966254 is an apocalyptic number.
61966254 is an abundant number, since it is smaller than the sum of its proper divisors (79670994).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61966254 is a wasteful number, since it uses less digits than its factorization.
61966254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1475399.
The product of its digits is 77760, while the sum is 39.
The square root of 61966254 is about 7871.8647092033. The cubic root of 61966254 is about 395.7173398659.
The spelling of 61966254 in words is "sixty-one million, nine hundred sixty-six thousand, two hundred fifty-four".
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