Base | Representation |
---|---|
bin | 1000010001101… |
… | …01010101110001 |
3 | 11211122010111200 |
4 | 10020311111301 |
5 | 120233040442 |
6 | 10520001413 |
7 | 1502045532 |
oct | 410652561 |
9 | 154563450 |
10 | 69424497 |
11 | 3620871a |
12 | 1b300269 |
13 | 114c98ac |
14 | 9312689 |
15 | 616534c |
hex | 4235571 |
69424497 has 12 divisors (see below), whose sum is σ = 100563840. Its totient is φ = 46151928.
The previous prime is 69424477. The next prime is 69424507. The reversal of 69424497 is 79442496.
It is not a de Polignac number, because 69424497 - 211 = 69422449 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69424417) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7513 + ... + 13974.
It is an arithmetic number, because the mean of its divisors is an integer number (8380320).
Almost surely, 269424497 is an apocalyptic number.
It is an amenable number.
69424497 is a deficient number, since it is larger than the sum of its proper divisors (31139343).
69424497 is a wasteful number, since it uses less digits than its factorization.
69424497 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21852 (or 21849 counting only the distinct ones).
The product of its digits is 435456, while the sum is 45.
The square root of 69424497 is about 8332.1364007078. The cubic root of 69424497 is about 410.9959862503.
The spelling of 69424497 in words is "sixty-nine million, four hundred twenty-four thousand, four hundred ninety-seven".
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