Base | Representation |
---|---|
bin | 110111101011… |
… | …0011110000111 |
3 | 2000221000011222 |
4 | 1233112132013 |
5 | 24433040043 |
6 | 2521350555 |
7 | 503053052 |
oct | 157263607 |
9 | 60830158 |
10 | 29190023 |
11 | 15527995 |
12 | 993845b |
13 | 6080405 |
14 | 3c3ba99 |
15 | 2868d68 |
hex | 1bd6787 |
29190023 has 8 divisors (see below), whose sum is σ = 30789120. Its totient is φ = 27597240.
The previous prime is 29190001. The next prime is 29190041. The reversal of 29190023 is 32009192.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 29190023 - 26 = 29189959 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 29189974 and 29190001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29190043) 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, 10268 + ... + 12798.
It is an arithmetic number, because the mean of its divisors is an integer number (3848640).
Almost surely, 229190023 is an apocalyptic number.
29190023 is a deficient number, since it is larger than the sum of its proper divisors (1599097).
29190023 is a wasteful number, since it uses less digits than its factorization.
29190023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3157.
The product of its (nonzero) digits is 972, while the sum is 26.
The square root of 29190023 is about 5402.7791922306. The cubic root of 29190023 is about 307.9012691643.
The spelling of 29190023 in words is "twenty-nine million, one hundred ninety thousand, twenty-three".
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