Base | Representation |
---|---|
bin | 101010101110101110100 |
3 | 2122010200112 |
4 | 11111311310 |
5 | 324301210 |
6 | 50002152 |
7 | 14621105 |
oct | 5256564 |
9 | 2563615 |
10 | 1400180 |
11 | 876a81 |
12 | 576358 |
13 | 3a0412 |
14 | 2863ac |
15 | 1c9d05 |
hex | 155d74 |
1400180 has 12 divisors (see below), whose sum is σ = 2940420. Its totient is φ = 560064.
The previous prime is 1400173. The next prime is 1400197. The reversal of 1400180 is 810041.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 343396 + 1056784 = 586^2 + 1028^2 .
1400180 is a modest number, since divided by 180 gives 140 as remainder.
It is a congruent 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, 34985 + ... + 35024.
It is an arithmetic number, because the mean of its divisors is an integer number (245035).
21400180 is an apocalyptic number.
1400180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1400180 is an abundant number, since it is smaller than the sum of its proper divisors (1540240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1400180 is a wasteful number, since it uses less digits than its factorization.
1400180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 70018 (or 70016 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
The square root of 1400180 is about 1183.2920180581. The cubic root of 1400180 is about 111.8736883839.
The spelling of 1400180 in words is "one million, four hundred thousand, one hundred eighty".
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