Base | Representation |
---|---|
bin | 101010000111001011010 |
3 | 2121002220112 |
4 | 11100321122 |
5 | 323124210 |
6 | 45324322 |
7 | 14505056 |
oct | 5207132 |
9 | 2532815 |
10 | 1379930 |
11 | 862842 |
12 | 5666a2 |
13 | 394136 |
14 | 27cc66 |
15 | 1c3d05 |
hex | 150e5a |
1379930 has 8 divisors (see below), whose sum is σ = 2483892. Its totient is φ = 551968.
The previous prime is 1379929. The next prime is 1379947. The reversal of 1379930 is 399731.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 1142761 + 237169 = 1069^2 + 487^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a magnanimous number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68987 + ... + 69006.
21379930 is an apocalyptic number.
1379930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1379930 is a deficient number, since it is larger than the sum of its proper divisors (1103962).
1379930 is a wasteful number, since it uses less digits than its factorization.
1379930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 138000.
The product of its (nonzero) digits is 5103, while the sum is 32.
The square root of 1379930 is about 1174.7042180907. The cubic root of 1379930 is about 111.3317456676.
The spelling of 1379930 in words is "one million, three hundred seventy-nine thousand, nine hundred thirty".
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