Search a number
-
+
29706730 = 2529102437
BaseRepresentation
bin111000101010…
…0100111101010
32001220020222021
41301110213222
530101103410
62540415054
7510334354
oct161244752
961806867
1029706730
1115850119
129b4748a
136201661
143d340d4
15291beda
hex1c549ea

29706730 has 16 divisors (see below), whose sum is σ = 55316520. Its totient is φ = 11472832.

The previous prime is 29706727. The next prime is 29706737. The reversal of 29706730 is 3760792.

It can be written as a sum of positive squares in 4 ways, for example, as 29127609 + 579121 = 5397^2 + 761^2 .

It is not an unprimeable number, because it can be changed into a prime (29706737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50929 + ... + 51508.

Almost surely, 229706730 is an apocalyptic number.

29706730 is a deficient number, since it is larger than the sum of its proper divisors (25609790).

29706730 is a wasteful number, since it uses less digits than its factorization.

29706730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102473.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 29706730 is about 5450.3880595789. The cubic root of 29706730 is about 309.7074242682.

The spelling of 29706730 in words is "twenty-nine million, seven hundred six thousand, seven hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 102437 204874 512185 1024370 2970673 5941346 14853365 29706730