Base | Representation |
---|---|
bin | 10110011110011… |
… | …011000101100101 |
3 | 222021112100022111 |
4 | 112132123011211 |
5 | 1233012332041 |
6 | 101230001021 |
7 | 12226035112 |
oct | 2636330545 |
9 | 867470274 |
10 | 377074021 |
11 | 183937325 |
12 | a6346171 |
13 | 6017542c |
14 | 38117909 |
15 | 23185981 |
hex | 1679b165 |
377074021 has 4 divisors (see below), whose sum is σ = 377115372. Its totient is φ = 377032672.
The previous prime is 377074003. The next prime is 377074051. The reversal of 377074021 is 120470773.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 120470773 = 19 ⋅6340567.
It can be written as a sum of positive squares in 2 ways, for example, as 314885025 + 62188996 = 17745^2 + 7886^2 .
It is a cyclic number.
It is not a de Polignac number, because 377074021 - 227 = 242856293 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (377074051) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310 + ... + 27463.
It is an arithmetic number, because the mean of its divisors is an integer number (94278843).
Almost surely, 2377074021 is an apocalyptic number.
It is an amenable number.
377074021 is a deficient number, since it is larger than the sum of its proper divisors (41351).
377074021 is a wasteful number, since it uses less digits than its factorization.
377074021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41350.
The product of its (nonzero) digits is 8232, while the sum is 31.
The square root of 377074021 is about 19418.3938831202. The cubic root of 377074021 is about 722.4517887874.
The spelling of 377074021 in words is "three hundred seventy-seven million, seventy-four thousand, twenty-one".
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