Base | Representation |
---|---|
bin | 110111111110… |
… | …1101000011111 |
3 | 2001020011020000 |
4 | 1233331220133 |
5 | 30003203211 |
6 | 2525025343 |
7 | 504321525 |
oct | 157755037 |
9 | 61204200 |
10 | 29350431 |
11 | 15627460 |
12 | 99b5253 |
13 | 6108426 |
14 | 3c80315 |
15 | 289b656 |
hex | 1bfda1f |
29350431 has 20 divisors (see below), whose sum is σ = 47831784. Its totient is φ = 17787600.
The previous prime is 29350429. The next prime is 29350463. The reversal of 29350431 is 13405392.
It is not a de Polignac number, because 29350431 - 21 = 29350429 is a prime.
It is a super-2 number, since 2×293504312 = 1722895599771522, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 29350395 and 29350404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (29350411) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15580 + ... + 17361.
Almost surely, 229350431 is an apocalyptic number.
29350431 is a deficient number, since it is larger than the sum of its proper divisors (18481353).
29350431 is a wasteful number, since it uses less digits than its factorization.
29350431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32964 (or 32955 counting only the distinct ones).
The product of its (nonzero) digits is 3240, while the sum is 27.
The square root of 29350431 is about 5417.6038061121. The cubic root of 29350431 is about 308.4642426993.
The spelling of 29350431 in words is "twenty-nine million, three hundred fifty thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •