Base | Representation |
---|---|
bin | 1010101000110… |
… | …01011111111010 |
3 | 20012220112012211 |
4 | 11110121133322 |
5 | 140320432102 |
6 | 12504325334 |
7 | 2132320456 |
oct | 524313772 |
9 | 205815184 |
10 | 89233402 |
11 | 46408415 |
12 | 25a7384a |
13 | 1564403b |
14 | bbcb666 |
15 | 7c797d7 |
hex | 55197fa |
89233402 has 4 divisors (see below), whose sum is σ = 133850106. Its totient is φ = 44616700.
The previous prime is 89233393. The next prime is 89233409. The reversal of 89233402 is 20433298.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20433298 = 2 ⋅10216649.
It can be written as a sum of positive squares in only one way, i.e., 77598481 + 11634921 = 8809^2 + 3411^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (89233409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22308349 + ... + 22308352.
Almost surely, 289233402 is an apocalyptic number.
89233402 is a deficient number, since it is larger than the sum of its proper divisors (44616704).
89233402 is a wasteful number, since it uses less digits than its factorization.
89233402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44616703.
The product of its (nonzero) digits is 10368, while the sum is 31.
The square root of 89233402 is about 9446.3433136849. The cubic root of 89233402 is about 446.8644611726.
The spelling of 89233402 in words is "eighty-nine million, two hundred thirty-three thousand, four hundred two".
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