Base | Representation |
---|---|
bin | 1100001101110… |
… | …01101100010111 |
3 | 21010211010210201 |
4 | 12012321230113 |
5 | 202213104341 |
6 | 14100201331 |
7 | 2353000363 |
oct | 606715427 |
9 | 233733721 |
10 | 102472471 |
11 | 529300a2 |
12 | 2a399247 |
13 | 182cacca |
14 | d8762a3 |
15 | 8ee2331 |
hex | 61b9b17 |
102472471 has 4 divisors (see below), whose sum is σ = 102492832. Its totient is φ = 102452112.
The previous prime is 102472451. The next prime is 102472493. The reversal of 102472471 is 174274201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 102472471 - 219 = 101948183 is a prime.
It is a super-3 number, since 3×1024724713 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102472411) 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, 3475 + ... + 14731.
It is an arithmetic number, because the mean of its divisors is an integer number (25623208).
Almost surely, 2102472471 is an apocalyptic number.
102472471 is a deficient number, since it is larger than the sum of its proper divisors (20361).
102472471 is an equidigital number, since it uses as much as digits as its factorization.
102472471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20360.
The product of its (nonzero) digits is 3136, while the sum is 28.
The square root of 102472471 is about 10122.8687139565. The cubic root of 102472471 is about 467.9531800509.
The spelling of 102472471 in words is "one hundred two million, four hundred seventy-two thousand, four hundred seventy-one".
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