Search a number
-
+
29204091 = 337191809
BaseRepresentation
bin110111101100…
…1111001111011
32000221201111000
41233121321323
524434012331
62521540043
7503142060
oct157317173
960851430
1029204091
1115537514
129944623
136086937
143c42c67
15286d0e6
hex1bd9e7b

29204091 has 32 divisors (see below), whose sum is σ = 49766400. Its totient is φ = 16580160.

The previous prime is 29204069. The next prime is 29204099. The reversal of 29204091 is 19040292.

It is not a de Polignac number, because 29204091 - 210 = 29203067 is a prime.

It is a super-2 number, since 2×292040912 = 1705757862272562, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (29204099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35695 + ... + 36503.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 229204091 is an apocalyptic number.

29204091 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

29204091 is a deficient number, since it is larger than the sum of its proper divisors (20562309).

29204091 is a wasteful number, since it uses less digits than its factorization.

29204091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 29204091 is about 5404.0809579428. The cubic root of 29204091 is about 307.9507250964.

The spelling of 29204091 in words is "twenty-nine million, two hundred four thousand, ninety-one".

Divisors: 1 3 7 9 21 27 63 189 191 573 809 1337 1719 2427 4011 5157 5663 7281 12033 16989 21843 36099 50967 152901 154519 463557 1081633 1390671 3244899 4172013 9734697 29204091