Base | Representation |
---|---|
bin | 1111100100111… |
… | …00000000101010 |
3 | 100002212100011201 |
4 | 13302130000222 |
5 | 231422144232 |
6 | 20544314414 |
7 | 3144420031 |
oct | 762340052 |
9 | 302770151 |
10 | 130662442 |
11 | 67834699 |
12 | 37912a0a |
13 | 210bb171 |
14 | 134d3718 |
15 | b70ebe7 |
hex | 7c9c02a |
130662442 has 16 divisors (see below), whose sum is σ = 209432520. Its totient is φ = 60922368.
The previous prime is 130662431. The next prime is 130662443. The reversal of 130662442 is 244266031.
It can be written as a sum of positive squares in 4 ways, for example, as 103612041 + 27050401 = 10179^2 + 5201^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 130662442.
It is not an unprimeable number, because it can be changed into a prime (130662443) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13923 + ... + 21334.
Almost surely, 2130662442 is an apocalyptic number.
130662442 is a deficient number, since it is larger than the sum of its proper divisors (78770078).
130662442 is a wasteful number, since it uses less digits than its factorization.
130662442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35385.
The product of its (nonzero) digits is 6912, while the sum is 28.
The square root of 130662442 is about 11430.7673408219. The cubic root of 130662442 is about 507.4387051762.
The spelling of 130662442 in words is "one hundred thirty million, six hundred sixty-two thousand, four hundred forty-two".
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