Base | Representation |
---|---|
bin | 101001110110101100010 |
3 | 2120200022221 |
4 | 11032311202 |
5 | 322341430 |
6 | 45221254 |
7 | 14441341 |
oct | 5166542 |
9 | 2520287 |
10 | 1371490 |
11 | 85746a |
12 | 56182a |
13 | 390343 |
14 | 279b58 |
15 | 1c157a |
hex | 14ed62 |
1371490 has 32 divisors (see below), whose sum is σ = 2643840. Its totient is φ = 511104.
The previous prime is 1371449. The next prime is 1371493. The reversal of 1371490 is 941731.
It is not an unprimeable number, because it can be changed into a prime (1371493) 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 in 15 ways as a sum of consecutive naturals, for example, 15366 + ... + 15454.
It is an arithmetic number, because the mean of its divisors is an integer number (82620).
21371490 is an apocalyptic number.
1371490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1371490 is a deficient number, since it is larger than the sum of its proper divisors (1272350).
1371490 is a wasteful number, since it uses less digits than its factorization.
1371490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 186.
The product of its (nonzero) digits is 756, while the sum is 25.
The square root of 1371490 is about 1171.1063145590. The cubic root of 1371490 is about 111.1043036570.
The spelling of 1371490 in words is "one million, three hundred seventy-one thousand, four hundred ninety".
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