Base | Representation |
---|---|
bin | 1100001101110… |
… | …01110000000011 |
3 | 21010211011010110 |
4 | 12012321300003 |
5 | 202213111312 |
6 | 14100202403 |
7 | 2353001151 |
oct | 606716003 |
9 | 233734113 |
10 | 102472707 |
11 | 52930297 |
12 | 2a399403 |
13 | 182cb14c |
14 | d8763d1 |
15 | 8ee243c |
hex | 61b9c03 |
102472707 has 4 divisors (see below), whose sum is σ = 136630280. Its totient is φ = 68315136.
The previous prime is 102472673. The next prime is 102472729. The reversal of 102472707 is 707274201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707274201 = 3 ⋅235758067.
It is not a de Polignac number, because 102472707 - 28 = 102472451 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (102472207) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17078782 + ... + 17078787.
It is an arithmetic number, because the mean of its divisors is an integer number (34157570).
Almost surely, 2102472707 is an apocalyptic number.
102472707 is a deficient number, since it is larger than the sum of its proper divisors (34157573).
102472707 is an equidigital number, since it uses as much as digits as its factorization.
102472707 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34157572.
The product of its (nonzero) digits is 5488, while the sum is 30.
The square root of 102472707 is about 10122.8803707245. The cubic root of 102472707 is about 467.9535392916.
The spelling of 102472707 in words is "one hundred two million, four hundred seventy-two thousand, seven hundred seven".
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