Base | Representation |
---|---|
bin | 111000100110… |
… | …1110111000101 |
3 | 2001211211222220 |
4 | 1301031313011 |
5 | 30044212140 |
6 | 2540042553 |
7 | 510160554 |
oct | 161156705 |
9 | 61754886 |
10 | 29679045 |
11 | 15831340 |
12 | 9b33459 |
13 | 61c1b86 |
14 | 3d27d9b |
15 | 2913bd0 |
hex | 1c4ddc5 |
29679045 has 32 divisors (see below), whose sum is σ = 54535680. Its totient is φ = 13631040.
The previous prime is 29679037. The next prime is 29679047. The reversal of 29679045 is 54097692.
29679045 = T425 + T426 + ... + T633.
It is not a de Polignac number, because 29679045 - 23 = 29679037 is a prime.
It is a super-2 number, since 2×296790452 = 1761691424224050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 29678988 and 29679006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29679047) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1599 + ... + 7868.
It is an arithmetic number, because the mean of its divisors is an integer number (1704240).
Almost surely, 229679045 is an apocalyptic number.
It is an amenable number.
29679045 is a deficient number, since it is larger than the sum of its proper divisors (24856635).
29679045 is a wasteful number, since it uses less digits than its factorization.
29679045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9505.
The product of its (nonzero) digits is 136080, while the sum is 42.
The square root of 29679045 is about 5447.8477401631. The cubic root of 29679045 is about 309.6111844039.
It can be divided in two parts, 296790 and 45, that added together give a triangular number (296835 = T770).
The spelling of 29679045 in words is "twenty-nine million, six hundred seventy-nine thousand, forty-five".
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