Base | Representation |
---|---|
bin | 1000010001110… |
… | …11011110110100 |
3 | 11211200102000100 |
4 | 10020323132310 |
5 | 120234342102 |
6 | 10520314100 |
7 | 1502212056 |
oct | 410733664 |
9 | 154612010 |
10 | 69449652 |
11 | 36225608 |
12 | 1b312930 |
13 | 1150818c |
14 | 931b8d6 |
15 | 616ca1c |
hex | 423b7b4 |
69449652 has 18 divisors (see below), whose sum is σ = 175553378. Its totient is φ = 23149872.
The previous prime is 69449651. The next prime is 69449657. The reversal of 69449652 is 25694496.
It can be written as a sum of positive squares in only one way, i.e., 52359696 + 17089956 = 7236^2 + 4134^2 .
It is a tau number, because it is divible by the number of its divisors (18).
It is a super-2 number, since 2×694496522 = 9646508325842208, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 69449598 and 69449607.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69449651) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 964543 + ... + 964614.
Almost surely, 269449652 is an apocalyptic number.
It is an amenable number.
69449652 is an abundant number, since it is smaller than the sum of its proper divisors (106103726).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69449652 is a wasteful number, since it uses less digits than its factorization.
69449652 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1929167 (or 1929162 counting only the distinct ones).
The product of its digits is 466560, while the sum is 45.
The square root of 69449652 is about 8333.6457808093. The cubic root of 69449652 is about 411.0456198140.
The spelling of 69449652 in words is "sixty-nine million, four hundred forty-nine thousand, six hundred fifty-two".
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