Base | Representation |
---|---|
bin | 11101101001101… |
… | …101010011101001 |
3 | 1021200002020022111 |
4 | 131221231103221 |
5 | 2004323111440 |
6 | 121210322321 |
7 | 15220306600 |
oct | 3551552351 |
9 | 1250066274 |
10 | 497472745 |
11 | 2358a0700 |
12 | 11a7293a1 |
13 | 7c0ab993 |
14 | 4a0d8a37 |
15 | 2da194ea |
hex | 1da6d4e9 |
497472745 has 72 divisors (see below), whose sum is σ = 775627272. Its totient is φ = 305141760.
The previous prime is 497472691. The next prime is 497472749. The reversal of 497472745 is 547274794.
It can be written as a sum of positive squares in 4 ways, for example, as 129868816 + 367603929 = 11396^2 + 19173^2 .
It is not a de Polignac number, because 497472745 - 29 = 497472233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (49).
It is not an unprimeable number, because it can be changed into a prime (497472749) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2875479 + ... + 2875651.
It is an arithmetic number, because the mean of its divisors is an integer number (10772601).
Almost surely, 2497472745 is an apocalyptic number.
It is an amenable number.
497472745 is a deficient number, since it is larger than the sum of its proper divisors (278154527).
497472745 is a wasteful number, since it uses less digits than its factorization.
497472745 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 311 (or 293 counting only the distinct ones).
The product of its digits is 1975680, while the sum is 49.
The square root of 497472745 is about 22304.0970451619. The cubic root of 497472745 is about 792.3610108299.
The spelling of 497472745 in words is "four hundred ninety-seven million, four hundred seventy-two thousand, seven hundred forty-five".
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