Base | Representation |
---|---|
bin | 1110100111100… |
… | …1001111100100 |
3 | 11021101002000122 |
4 | 3221321033210 |
5 | 111144022040 |
6 | 10030101112 |
7 | 1343106035 |
oct | 351711744 |
9 | 137332018 |
10 | 61314020 |
11 | 31679149 |
12 | 1864a798 |
13 | c91a0b1 |
14 | 8200a8c |
15 | 55b21b5 |
hex | 3a793e4 |
61314020 has 24 divisors (see below), whose sum is σ = 128998968. Its totient is φ = 24480000.
The previous prime is 61314017. The next prime is 61314023. The reversal of 61314020 is 2041316.
It is an interprime number because it is at equal distance from previous prime (61314017) and next prime (61314023).
It can be written as a sum of positive squares in 4 ways, for example, as 972196 + 60341824 = 986^2 + 7768^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 61314020.
It is not an unprimeable number, because it can be changed into a prime (61314023) 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, 9470 + ... + 14570.
It is an arithmetic number, because the mean of its divisors is an integer number (5374957).
Almost surely, 261314020 is an apocalyptic number.
It is an amenable number.
61314020 is an abundant number, since it is smaller than the sum of its proper divisors (67684948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61314020 is a wasteful number, since it uses less digits than its factorization.
61314020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5711 (or 5709 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 61314020 is about 7830.3269408116. The cubic root of 61314020 is about 394.3240482178.
Adding to 61314020 its reverse (2041316), we get a palindrome (63355336).
The spelling of 61314020 in words is "sixty-one million, three hundred fourteen thousand, twenty".
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