Base | Representation |
---|---|
bin | 110100100010011… |
… | …001011001001101 |
3 | 2021102120101120212 |
4 | 310202121121031 |
5 | 3301121312031 |
6 | 223244052205 |
7 | 30562023002 |
oct | 6442313115 |
9 | 2242511525 |
10 | 881432141 |
11 | 412600017 |
12 | 207234065 |
13 | 1107c50a5 |
14 | 850c58a9 |
15 | 525b012b |
hex | 3489964d |
881432141 has 2 divisors, whose sum is σ = 881432142. Its totient is φ = 881432140.
The previous prime is 881432053. The next prime is 881432143. The reversal of 881432141 is 141234188.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 559086025 + 322346116 = 23645^2 + 17954^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-881432141 is a prime.
Together with 881432143, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 881432098 and 881432107.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (881432143) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440716070 + 440716071.
It is an arithmetic number, because the mean of its divisors is an integer number (440716071).
Almost surely, 2881432141 is an apocalyptic number.
It is an amenable number.
881432141 is a deficient number, since it is larger than the sum of its proper divisors (1).
881432141 is an equidigital number, since it uses as much as digits as its factorization.
881432141 is an evil number, because the sum of its binary digits is even.
The product of its digits is 6144, while the sum is 32.
The square root of 881432141 is about 29688.9228669549. The cubic root of 881432141 is about 958.8035372998.
The spelling of 881432141 in words is "eight hundred eighty-one million, four hundred thirty-two thousand, one hundred forty-one".
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