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29096989 = 101288089
BaseRepresentation
bin110111011111…
…1110000011101
32000202021120021
41232333300131
524422100424
62515352141
7502214605
oct156776035
960667507
1029096989
1115473aa9
1298b2651
136049c6c
143c15c05
15284b4e4
hex1bbfc1d

29096989 has 4 divisors (see below), whose sum is σ = 29385180. Its totient is φ = 28808800.

The previous prime is 29096983. The next prime is 29097011. The reversal of 29096989 is 98969092.

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 25674489 + 3422500 = 5067^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 29096989 - 23 = 29096981 is a prime.

It is a super-2 number, since 2×290969892 = 1693269537732242, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29096981) 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, 143944 + ... + 144145.

It is an arithmetic number, because the mean of its divisors is an integer number (7346295).

Almost surely, 229096989 is an apocalyptic number.

It is an amenable number.

29096989 is a deficient number, since it is larger than the sum of its proper divisors (288191).

29096989 is a wasteful number, since it uses less digits than its factorization.

29096989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288190.

The product of its (nonzero) digits is 629856, while the sum is 52.

The square root of 29096989 is about 5394.1624929177. The cubic root of 29096989 is about 307.5738082680.

It can be divided in two parts, 290 and 96989, that added together give a palindrome (97279).

The spelling of 29096989 in words is "twenty-nine million, ninety-six thousand, nine hundred eighty-nine".

Divisors: 1 101 288089 29096989