Base | Representation |
---|---|
bin | 1000001111000… |
… | …11110001111101 |
3 | 11211000011020210 |
4 | 10013203301331 |
5 | 120141343204 |
6 | 10504503033 |
7 | 1466154552 |
oct | 407436175 |
9 | 154004223 |
10 | 69090429 |
11 | 35aaa731 |
12 | 1b17aa79 |
13 | 11410815 |
14 | 9266a29 |
15 | 60eb389 |
hex | 41e3c7d |
69090429 has 16 divisors (see below), whose sum is σ = 94146624. Its totient is φ = 45052800.
The previous prime is 69090421. The next prime is 69090449. The reversal of 69090429 is 92409096.
It is not a de Polignac number, because 69090429 - 23 = 69090421 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69090421) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90409 + ... + 91169.
It is an arithmetic number, because the mean of its divisors is an integer number (5884164).
Almost surely, 269090429 is an apocalyptic number.
It is an amenable number.
69090429 is a deficient number, since it is larger than the sum of its proper divisors (25056195).
69090429 is a wasteful number, since it uses less digits than its factorization.
69090429 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1388.
The product of its (nonzero) digits is 34992, while the sum is 39.
The square root of 69090429 is about 8312.0652668275. The cubic root of 69090429 is about 410.3356937401.
It can be divided in two parts, 690 and 90429, that added together give a palindrome (91119).
The spelling of 69090429 in words is "sixty-nine million, ninety thousand, four hundred twenty-nine".
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