Base | Representation |
---|---|
bin | 1110101110001… |
… | …1001111000100 |
3 | 11022012010120001 |
4 | 3223203033010 |
5 | 111301420124 |
6 | 10043251044 |
7 | 1346564542 |
oct | 353431704 |
9 | 138163501 |
10 | 61748164 |
11 | 31945345 |
12 | 18819a84 |
13 | ca3c89a |
14 | 82b4d92 |
15 | 564ab44 |
hex | 3ae33c4 |
61748164 has 9 divisors (see below), whose sum is σ = 108086797. Its totient is φ = 30866224.
The previous prime is 61748147. The next prime is 61748179. The reversal of 61748164 is 46184716.
It is a happy number.
The square root of 61748164 is 7858.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 8749764 + 52998400 = 2958^2 + 7280^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 13752 + ... + 17680.
Almost surely, 261748164 is an apocalyptic number.
61748164 is the 7858-th square number.
It is an amenable number.
61748164 is a deficient number, since it is larger than the sum of its proper divisors (46338633).
61748164 is an frugal number, since it uses more digits than its factorization.
61748164 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7862 (or 3931 counting only the distinct ones).
The product of its digits is 32256, while the sum is 37.
The cubic root of 61748164 is about 395.2525522650.
It can be divided in two parts, 61 and 748164, that added together give a square (748225 = 8652).
The spelling of 61748164 in words is "sixty-one million, seven hundred forty-eight thousand, one hundred sixty-four".
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