Base | Representation |
---|---|
bin | 1111110010000… |
… | …11100101011101 |
3 | 100020010111002121 |
4 | 13321003211131 |
5 | 232343204110 |
6 | 21045422541 |
7 | 3165234160 |
oct | 771034535 |
9 | 306114077 |
10 | 132397405 |
11 | 6880a148 |
12 | 3840aa51 |
13 | 21577a7a |
14 | 13825ad7 |
15 | b953cda |
hex | 7e4395d |
132397405 has 32 divisors (see below), whose sum is σ = 187246080. Its totient is φ = 87982080.
The previous prime is 132397403. The next prime is 132397409. The reversal of 132397405 is 504793231.
It is not a de Polignac number, because 132397405 - 21 = 132397403 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (132397403) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368616 + ... + 368974.
It is an arithmetic number, because the mean of its divisors is an integer number (5851440).
Almost surely, 2132397405 is an apocalyptic number.
It is an amenable number.
132397405 is a deficient number, since it is larger than the sum of its proper divisors (54848675).
132397405 is a wasteful number, since it uses less digits than its factorization.
132397405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 669.
The product of its (nonzero) digits is 22680, while the sum is 34.
The square root of 132397405 is about 11506.4071282047. The cubic root of 132397405 is about 509.6747958799.
The spelling of 132397405 in words is "one hundred thirty-two million, three hundred ninety-seven thousand, four hundred five".
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