Base | Representation |
---|---|
bin | 1000010100000… |
… | …10001011000001 |
3 | 11212020010012101 |
4 | 10022002023001 |
5 | 120323123301 |
6 | 10530430401 |
7 | 1504526200 |
oct | 412021301 |
9 | 155203171 |
10 | 69739201 |
11 | 36403104 |
12 | 1b432401 |
13 | 115a9bcc |
14 | 9395237 |
15 | 61c8701 |
hex | 42822c1 |
69739201 has 9 divisors (see below), whose sum is σ = 81193251. Its totient is φ = 59726352.
The previous prime is 69739183. The next prime is 69739207. The reversal of 69739201 is 10293796.
The square root of 69739201 is 8351.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 35820225 + 33918976 = 5985^2 + 5824^2 .
It is not a de Polignac number, because 69739201 - 25 = 69739169 is a prime.
It is a super-2 number, since 2×697392012 = 9727112312236802, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69739207) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57861 + ... + 59053.
Almost surely, 269739201 is an apocalyptic number.
69739201 is the 8351-st square number.
69739201 is the 4176-th centered octagonal number.
It is an amenable number.
69739201 is a deficient number, since it is larger than the sum of its proper divisors (11454050).
69739201 is an frugal number, since it uses more digits than its factorization.
69739201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2400 (or 1200 counting only the distinct ones).
The product of its (nonzero) digits is 20412, while the sum is 37.
The cubic root of 69739201 is about 411.6160706083.
The spelling of 69739201 in words is "sixty-nine million, seven hundred thirty-nine thousand, two hundred one".
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