Base | Representation |
---|---|
bin | 1000010001110… |
… | …11010111101101 |
3 | 11211200101101111 |
4 | 10020323113231 |
5 | 120234333242 |
6 | 10520312021 |
7 | 1502210536 |
oct | 410732755 |
9 | 154611344 |
10 | 69449197 |
11 | 36225234 |
12 | 1b312611 |
13 | 11507bcc |
14 | 931b68d |
15 | 616c817 |
hex | 423b5ed |
69449197 has 4 divisors (see below), whose sum is σ = 69494976. Its totient is φ = 69403420.
The previous prime is 69449183. The next prime is 69449227. The reversal of 69449197 is 79194496.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 69449197 - 211 = 69447149 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 69449197.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69449117) 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, 20533 + ... + 23674.
It is an arithmetic number, because the mean of its divisors is an integer number (17373744).
Almost surely, 269449197 is an apocalyptic number.
It is an amenable number.
69449197 is a deficient number, since it is larger than the sum of its proper divisors (45779).
69449197 is a wasteful number, since it uses less digits than its factorization.
69449197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45778.
The product of its digits is 489888, while the sum is 49.
The square root of 69449197 is about 8333.6184817881. The cubic root of 69449197 is about 411.0447221558.
The spelling of 69449197 in words is "sixty-nine million, four hundred forty-nine thousand, one hundred ninety-seven".
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