Base | Representation |
---|---|
bin | 10000101001110… |
… | …00011111100111 |
3 | 100201212002102001 |
4 | 20110320133213 |
5 | 241230121012 |
6 | 21510030131 |
7 | 3314235220 |
oct | 1024703747 |
9 | 321762361 |
10 | 139692007 |
11 | 71941744 |
12 | 3a948347 |
13 | 22c300c0 |
14 | 147a4247 |
15 | c3e5357 |
hex | 85387e7 |
139692007 has 8 divisors (see below), whose sum is σ = 171928736. Its totient is φ = 110525472.
The previous prime is 139691977. The next prime is 139692017. The reversal of 139692007 is 700296931.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 139692007 - 211 = 139689959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (139692017) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767448 + ... + 767629.
It is an arithmetic number, because the mean of its divisors is an integer number (21491092).
Almost surely, 2139692007 is an apocalyptic number.
139692007 is a deficient number, since it is larger than the sum of its proper divisors (32236729).
139692007 is a wasteful number, since it uses less digits than its factorization.
139692007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1535097.
The product of its (nonzero) digits is 20412, while the sum is 37.
The square root of 139692007 is about 11819.1373204646. The cubic root of 139692007 is about 518.8683563686.
The spelling of 139692007 in words is "one hundred thirty-nine million, six hundred ninety-two thousand, seven".
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