Base | Representation |
---|---|
bin | 10110101000100… |
… | …110101111000001 |
3 | 222110112221200211 |
4 | 112220212233001 |
5 | 1234203240134 |
6 | 101403114121 |
7 | 12260522641 |
oct | 2650465701 |
9 | 873487624 |
10 | 379743169 |
11 | 18539a733 |
12 | a7212941 |
13 | 6089b300 |
14 | 38610521 |
15 | 23511764 |
hex | 16a26bc1 |
379743169 has 9 divisors (see below), whose sum is σ = 411475683. Its totient is φ = 350298312.
The previous prime is 379743151. The next prime is 379743187. The reversal of 379743169 is 961347973.
It is a happy number.
The square root of 379743169 is 19487.
It is a perfect power (a square), and thus also a powerful number.
It is an interprime number because it is at equal distance from previous prime (379743151) and next prime (379743187).
It can be written as a sum of positive squares in only one way, i.e., 56175025 + 323568144 = 7495^2 + 17988^2 .
It is not a de Polignac number, because 379743169 - 217 = 379612097 is a prime.
It is a super-2 number, since 2×3797431692 = 288409748804325122, which contains 22 as substring.
It is a Duffinian number.
Its product of digits (857304) is a multiple of the sum of its prime divisors (1512).
It is not an unprimeable number, because it can be changed into a prime (379743109) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 252582 + ... + 254080.
Almost surely, 2379743169 is an apocalyptic number.
379743169 is the 19487-th square number.
379743169 is the 9744-th centered octagonal number.
It is an amenable number.
379743169 is a deficient number, since it is larger than the sum of its proper divisors (31732514).
379743169 is an frugal number, since it uses more digits than its factorization.
379743169 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3024 (or 1512 counting only the distinct ones).
The product of its digits is 857304, while the sum is 49.
The cubic root of 379743169 is about 724.1524262415.
Multiplying 379743169 by its sum of digits (49), we get a square (18607415281 = 1364092).
The spelling of 379743169 in words is "three hundred seventy-nine million, seven hundred forty-three thousand, one hundred sixty-nine".
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