Base | Representation |
---|---|
bin | 101100001101010… |
… | …011111101100010 |
3 | 1220200121121111000 |
4 | 230031103331202 |
5 | 3004332442023 |
6 | 201332532430 |
7 | 24244144113 |
oct | 5415237542 |
9 | 1820547430 |
10 | 741687138 |
11 | 350732585 |
12 | 188481116 |
13 | ba876b3a |
14 | 7070a20a |
15 | 451a9243 |
hex | 2c353f62 |
741687138 has 32 divisors (see below), whose sum is σ = 1664208000. Its totient is φ = 244826928.
The previous prime is 741687131. The next prime is 741687143. The reversal of 741687138 is 831786147.
It is a junction number, because it is equal to n+sod(n) for n = 741687093 and 741687102.
It is not an unprimeable number, because it can be changed into a prime (741687131) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61113 + ... + 72236.
It is an arithmetic number, because the mean of its divisors is an integer number (52006500).
Almost surely, 2741687138 is an apocalyptic number.
741687138 is an abundant number, since it is smaller than the sum of its proper divisors (922520862).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
741687138 is a wasteful number, since it uses less digits than its factorization.
741687138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 133463 (or 133457 counting only the distinct ones).
The product of its digits is 225792, while the sum is 45.
The square root of 741687138 is about 27233.9335755965. The cubic root of 741687138 is about 905.1910458165.
Subtracting 741687138 from its reverse (831786147), we obtain a palindrome (90099009).
The spelling of 741687138 in words is "seven hundred forty-one million, six hundred eighty-seven thousand, one hundred thirty-eight".
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