Base | Representation |
---|---|
bin | 101001111001100101100 |
3 | 2120202100211 |
4 | 11033030230 |
5 | 322413342 |
6 | 45232204 |
7 | 14445556 |
oct | 5171454 |
9 | 2522324 |
10 | 1372972 |
11 | 858597 |
12 | 562664 |
13 | 390c13 |
14 | 27a4d6 |
15 | 1c1c17 |
hex | 14f32c |
1372972 has 6 divisors (see below), whose sum is σ = 2402708. Its totient is φ = 686484.
The previous prime is 1372963. The next prime is 1372979. The reversal of 1372972 is 2792731.
It is a super-2 number, since 2×13729722 = 3770104225568, which contains 22 as substring.
It is an Ulam number.
It is a plaindrome in base 7.
It is not an unprimeable number, because it can be changed into a prime (1372979) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171618 + ... + 171625.
21372972 is an apocalyptic number.
It is an amenable number.
1372972 is a deficient number, since it is larger than the sum of its proper divisors (1029736).
1372972 is a wasteful number, since it uses less digits than its factorization.
1372972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 343247 (or 343245 counting only the distinct ones).
The product of its digits is 5292, while the sum is 31.
The square root of 1372972 is about 1171.7388787610. The cubic root of 1372972 is about 111.1443081547.
The spelling of 1372972 in words is "one million, three hundred seventy-two thousand, nine hundred seventy-two".
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