Base | Representation |
---|---|
bin | 1111101000111… |
… | …11110100010100 |
3 | 100010212202202100 |
4 | 13310133310110 |
5 | 232041433244 |
6 | 21004042100 |
7 | 3152126031 |
oct | 764376424 |
9 | 303782670 |
10 | 131202324 |
11 | 68073280 |
12 | 37b33330 |
13 | 21249b16 |
14 | 135d4388 |
15 | b7b9b69 |
hex | 7d1fd14 |
131202324 has 36 divisors (see below), whose sum is σ = 361801440. Its totient is φ = 39758160.
The previous prime is 131202301. The next prime is 131202347. The reversal of 131202324 is 423202131.
It is an interprime number because it is at equal distance from previous prime (131202301) and next prime (131202347).
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 131202297 and 131202306.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165264 + ... + 166055.
It is an arithmetic number, because the mean of its divisors is an integer number (10050040).
Almost surely, 2131202324 is an apocalyptic number.
It is an amenable number.
131202324 is an abundant number, since it is smaller than the sum of its proper divisors (230599116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131202324 is a wasteful number, since it uses less digits than its factorization.
131202324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331340 (or 331335 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
The square root of 131202324 is about 11454.3582971723. The cubic root of 131202324 is about 508.1366373519.
Adding to 131202324 its reverse (423202131), we get a palindrome (554404455).
The spelling of 131202324 in words is "one hundred thirty-one million, two hundred two thousand, three hundred twenty-four".
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