Base | Representation |
---|---|
bin | 1011011100011000101 |
3 | 201001101012 |
4 | 1123203011 |
5 | 43444411 |
6 | 12012005 |
7 | 3121145 |
oct | 1334305 |
9 | 631335 |
10 | 374981 |
11 | 236802 |
12 | 161005 |
13 | 1018a9 |
14 | 9a925 |
15 | 7618b |
hex | 5b8c5 |
374981 has 2 divisors, whose sum is σ = 374982. Its totient is φ = 374980.
The previous prime is 374977. The next prime is 374987. The reversal of 374981 is 189473.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 312481 + 62500 = 559^2 + 250^2 .
It is an emirp because it is prime and its reverse (189473) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 374981 - 22 = 374977 is a prime.
It is a super-2 number, since 2×3749812 = 281221500722, which contains 22 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (374987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187490 + 187491.
It is an arithmetic number, because the mean of its divisors is an integer number (187491).
2374981 is an apocalyptic number.
It is an amenable number.
374981 is a deficient number, since it is larger than the sum of its proper divisors (1).
374981 is an equidigital number, since it uses as much as digits as its factorization.
374981 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6048, while the sum is 32.
The square root of 374981 is about 612.3569220642. The cubic root of 374981 is about 72.1112605952. Note that the first 3 decimals are identical.
The spelling of 374981 in words is "three hundred seventy-four thousand, nine hundred eighty-one".
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