Base | Representation |
---|---|
bin | 1010100110111… |
… | …10000101001101 |
3 | 20012110011101000 |
4 | 11103132011031 |
5 | 140240140104 |
6 | 12455210513 |
7 | 2130255102 |
oct | 523360515 |
9 | 205404330 |
10 | 88990029 |
11 | 46261587 |
12 | 25976a39 |
13 | 1558a32b |
14 | bb66aa9 |
15 | 7c2c639 |
hex | 54de14d |
88990029 has 16 divisors (see below), whose sum is σ = 132580800. Its totient is φ = 58992048.
The previous prime is 88989991. The next prime is 88990039. The reversal of 88990029 is 92009988.
It is not a de Polignac number, because 88990029 - 29 = 88989517 is a prime.
It is a super-2 number, since 2×889900292 = 15838450522841682, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (88990039) 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, 4374 + ... + 14039.
It is an arithmetic number, because the mean of its divisors is an integer number (8286300).
Almost surely, 288990029 is an apocalyptic number.
It is an amenable number.
88990029 is a deficient number, since it is larger than the sum of its proper divisors (43590771).
88990029 is a wasteful number, since it uses less digits than its factorization.
88990029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18601 (or 18595 counting only the distinct ones).
The product of its (nonzero) digits is 93312, while the sum is 45.
The square root of 88990029 is about 9433.4526553113. The cubic root of 88990029 is about 446.4578355375.
The spelling of 88990029 in words is "eighty-eight million, nine hundred ninety thousand, twenty-nine".
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