Search a number
-
+
29286893 = 61480113
BaseRepresentation
bin110111110111…
…0000111101101
32001002221001202
41233232013231
524444140033
62523415245
7503635346
oct157560755
961087052
1029286893
1115593749
129984525
1360b552c
143c650cd
1528878e8
hex1bee1ed

29286893 has 4 divisors (see below), whose sum is σ = 29767068. Its totient is φ = 28806720.

The previous prime is 29286877. The next prime is 29286911. The reversal of 29286893 is 39868292.

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 6980164 + 22306729 = 2642^2 + 4723^2 .

It is a cyclic number.

It is not a de Polignac number, because 29286893 - 24 = 29286877 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 (29286823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239996 + ... + 240117.

It is an arithmetic number, because the mean of its divisors is an integer number (7441767).

Almost surely, 229286893 is an apocalyptic number.

It is an amenable number.

29286893 is a deficient number, since it is larger than the sum of its proper divisors (480175).

29286893 is an equidigital number, since it uses as much as digits as its factorization.

29286893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480174.

The product of its digits is 373248, while the sum is 47.

The square root of 29286893 is about 5411.7365974334. The cubic root of 29286893 is about 308.2414934330.

The spelling of 29286893 in words is "twenty-nine million, two hundred eighty-six thousand, eight hundred ninety-three".

Divisors: 1 61 480113 29286893