Base | Representation |
---|---|
bin | 111011110110100111010 |
3 | 10200122100210 |
4 | 13132310322 |
5 | 1000230044 |
6 | 110011550 |
7 | 22446000 |
oct | 7366472 |
9 | 3618323 |
10 | 1961274 |
11 | 111a597 |
12 | 7a6bb6 |
13 | 538923 |
14 | 390a70 |
15 | 28b1b9 |
hex | 1ded3a |
1961274 has 32 divisors (see below), whose sum is σ = 4579200. Its totient is φ = 559776.
The previous prime is 1961257. The next prime is 1961321. The reversal of 1961274 is 4721691.
It is a happy 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, 1582 + ... + 2534.
It is an arithmetic number, because the mean of its divisors is an integer number (143100).
21961274 is an apocalyptic number.
1961274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1961274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2289600).
1961274 is an abundant number, since it is smaller than the sum of its proper divisors (2617926).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1961274 is an equidigital number, since it uses as much as digits as its factorization.
1961274 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 979 (or 965 counting only the distinct ones).
The product of its digits is 3024, while the sum is 30.
The square root of 1961274 is about 1400.4549260865. The cubic root of 1961274 is about 125.1736041146.
The spelling of 1961274 in words is "one million, nine hundred sixty-one thousand, two hundred seventy-four".
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