Search a number
-
+
29290547 = 1113257797
BaseRepresentation
bin110111110111…
…1000000110011
32001010010002002
41233233000303
524444244142
62523444215
7503652116
oct157570063
961103062
1029290547
1115596470
12998666b
1360b70b0
143c6657d
152888a32
hex1bef033

29290547 has 16 divisors (see below), whose sum is σ = 34588512. Its totient is φ = 24453120.

The previous prime is 29290543. The next prime is 29290561. The reversal of 29290547 is 74509292.

It is a cyclic number.

It is not a de Polignac number, because 29290547 - 22 = 29290543 is a prime.

It is a super-2 number, since 2×292905472 = 1715872287118418, 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 self number, because there is not a number n which added to its sum of digits gives 29290547.

It is not an unprimeable number, because it can be changed into a prime (29290543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36353 + ... + 37149.

It is an arithmetic number, because the mean of its divisors is an integer number (2161782).

Almost surely, 229290547 is an apocalyptic number.

29290547 is a deficient number, since it is larger than the sum of its proper divisors (5297965).

29290547 is a wasteful number, since it uses less digits than its factorization.

29290547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 29290547 is about 5412.0741864834. The cubic root of 29290547 is about 308.2543122228.

The spelling of 29290547 in words is "twenty-nine million, two hundred ninety thousand, five hundred forty-seven".

Divisors: 1 11 13 143 257 797 2827 3341 8767 10361 36751 113971 204829 2253119 2662777 29290547