Base | Representation |
---|---|
bin | 111001001010… |
… | …1101000011111 |
3 | 2002101210020222 |
4 | 1302111220133 |
5 | 30133114043 |
6 | 2550231555 |
7 | 512523623 |
oct | 162255037 |
9 | 62353228 |
10 | 29973023 |
11 | 15a121a3 |
12 | a0555bb |
13 | 6295922 |
14 | 3da3183 |
15 | 2970d68 |
hex | 1c95a1f |
29973023 has 8 divisors (see below), whose sum is σ = 31804560. Its totient is φ = 28149120.
The previous prime is 29973019. The next prime is 29973029. The reversal of 29973023 is 32037992.
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 29973023 - 22 = 29973019 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29973029) 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, 7568 + ... + 10826.
It is an arithmetic number, because the mean of its divisors is an integer number (3975570).
Almost surely, 229973023 is an apocalyptic number.
29973023 is a deficient number, since it is larger than the sum of its proper divisors (1831537).
29973023 is a wasteful number, since it uses less digits than its factorization.
29973023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3817.
The product of its (nonzero) digits is 20412, while the sum is 35.
The square root of 29973023 is about 5474.7623692723. The cubic root of 29973023 is about 310.6300850958.
Subtracting 29973023 from its reverse (32037992), we obtain a square (2064969 = 14372).
The spelling of 29973023 in words is "twenty-nine million, nine hundred seventy-three thousand, twenty-three".
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