Base | Representation |
---|---|
bin | 11100000011100… |
… | …000000011000101 |
3 | 1012210200000020022 |
4 | 130003200003011 |
5 | 1430443222444 |
6 | 114412144525 |
7 | 14443466111 |
oct | 3403400305 |
9 | 1183600208 |
10 | 470679749 |
11 | 221760731 |
12 | 111768145 |
13 | 7668a637 |
14 | 46722741 |
15 | 2b4c59ee |
hex | 1c0e00c5 |
470679749 has 4 divisors (see below), whose sum is σ = 470744940. Its totient is φ = 470614560.
The previous prime is 470679719. The next prime is 470679809. The reversal of 470679749 is 947976074.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 947976074 = 2 ⋅473988037.
It can be written as a sum of positive squares in 2 ways, for example, as 432016225 + 38663524 = 20785^2 + 6218^2 .
It is a cyclic number.
It is not a de Polignac number, because 470679749 - 228 = 202244293 is a prime.
It is a super-2 number, since 2×4706797492 = 443078852237406002, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 470679749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (470679719) 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, 20192 + ... + 36729.
It is an arithmetic number, because the mean of its divisors is an integer number (117686235).
Almost surely, 2470679749 is an apocalyptic number.
It is an amenable number.
470679749 is a deficient number, since it is larger than the sum of its proper divisors (65191).
470679749 is an equidigital number, since it uses as much as digits as its factorization.
470679749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65190.
The product of its (nonzero) digits is 2667168, while the sum is 53.
The square root of 470679749 is about 21695.1549660287. The cubic root of 470679749 is about 777.8726543528.
The spelling of 470679749 in words is "four hundred seventy million, six hundred seventy-nine thousand, seven hundred forty-nine".
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