Base | Representation |
---|---|
bin | 111110010111… |
… | …1101111101101 |
3 | 2021112101220202 |
4 | 1330233233231 |
5 | 31332421141 |
6 | 3124523245 |
7 | 544646264 |
oct | 174575755 |
9 | 67471822 |
10 | 32701421 |
11 | 17506075 |
12 | ab50525 |
13 | 6a0c76c |
14 | 44b35db |
15 | 2d0e49b |
hex | 1f2fbed |
32701421 has 4 divisors (see below), whose sum is σ = 34625052. Its totient is φ = 30777792.
The previous prime is 32701411. The next prime is 32701433. The reversal of 32701421 is 12410723.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12410723 = 13 ⋅954671.
It can be written as a sum of positive squares in 2 ways, for example, as 29278921 + 3422500 = 5411^2 + 1850^2 .
It is a cyclic number.
It is not a de Polignac number, because 32701421 - 222 = 28507117 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 32701393 and 32701402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (32701411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961790 + ... + 961823.
It is an arithmetic number, because the mean of its divisors is an integer number (8656263).
Almost surely, 232701421 is an apocalyptic number.
It is an amenable number.
32701421 is a deficient number, since it is larger than the sum of its proper divisors (1923631).
32701421 is a wasteful number, since it uses less digits than its factorization.
32701421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1923630.
The product of its (nonzero) digits is 336, while the sum is 20.
The square root of 32701421 is about 5718.5156290772. The cubic root of 32701421 is about 319.7831245333.
The spelling of 32701421 in words is "thirty-two million, seven hundred one thousand, four hundred twenty-one".
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