Base | Representation |
---|---|
bin | 1110101000100… |
… | …1101010110110 |
3 | 11021111111022120 |
4 | 3222021222312 |
5 | 111203200202 |
6 | 10031340410 |
7 | 1343506143 |
oct | 352115266 |
9 | 137444276 |
10 | 61381302 |
11 | 31714754 |
12 | 18681706 |
13 | c9418c8 |
14 | 821b3ca |
15 | 55c70bc |
hex | 3a89ab6 |
61381302 has 32 divisors (see below), whose sum is σ = 127233024. Its totient is φ = 19720800.
The previous prime is 61381301. The next prime is 61381303. The reversal of 61381302 is 20318316.
It is an interprime number because it is at equal distance from previous prime (61381301) and next prime (61381303).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (61381301) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61068 + ... + 62064.
It is an arithmetic number, because the mean of its divisors is an integer number (3976032).
Almost surely, 261381302 is an apocalyptic number.
61381302 is a gapful number since it is divisible by the number (62) formed by its first and last digit.
61381302 is an abundant number, since it is smaller than the sum of its proper divisors (65851722).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61381302 is a wasteful number, since it uses less digits than its factorization.
61381302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1364.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 61381302 is about 7834.6220074743. The cubic root of 61381302 is about 394.4682306418.
Adding to 61381302 its reverse (20318316), we get a palindrome (81699618).
The spelling of 61381302 in words is "sixty-one million, three hundred eighty-one thousand, three hundred two".
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