Search a number
-
+
29452705 = 55890541
BaseRepresentation
bin111000001011…
…0100110100001
32001102100111221
41300112212201
530014441310
62531135041
7505225642
oct160264641
961370457
1029452705
1115697287
129a44481
136142b49
143ca96c9
1528bbada
hex1c169a1

29452705 has 4 divisors (see below), whose sum is σ = 35343252. Its totient is φ = 23562160.

The previous prime is 29452699. The next prime is 29452723. The reversal of 29452705 is 50725492.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4532641 + 24920064 = 2129^2 + 4992^2 .

It is a de Polignac number, because none of the positive numbers 2k-29452705 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945266 + ... + 2945275.

It is an arithmetic number, because the mean of its divisors is an integer number (8835813).

Almost surely, 229452705 is an apocalyptic number.

It is an amenable number.

29452705 is a deficient number, since it is larger than the sum of its proper divisors (5890547).

29452705 is an equidigital number, since it uses as much as digits as its factorization.

29452705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5890546.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 29452705 is about 5427.0346414962. The cubic root of 29452705 is about 308.8221170466.

The spelling of 29452705 in words is "twenty-nine million, four hundred fifty-two thousand, seven hundred five".

Divisors: 1 5 5890541 29452705