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29090285 = 572336137
BaseRepresentation
bin110111011111…
…0000111101101
32000201221100222
41232332013231
524421342120
62515301125
7502156220
oct156760755
960657328
1029090285
1115469a64
1298aa7a5
136046bb3
143c135b7
152849525
hex1bbe1ed

29090285 has 16 divisors (see below), whose sum is σ = 41630976. Its totient is φ = 19079808.

The previous prime is 29090267. The next prime is 29090287. The reversal of 29090285 is 58209092.

It is a cyclic number.

It is not a de Polignac number, because 29090285 - 26 = 29090221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29090287) 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 15 ways as a sum of consecutive naturals, for example, 17264 + ... + 18873.

It is an arithmetic number, because the mean of its divisors is an integer number (2601936).

Almost surely, 229090285 is an apocalyptic number.

It is an amenable number.

29090285 is a deficient number, since it is larger than the sum of its proper divisors (12540691).

29090285 is a wasteful number, since it uses less digits than its factorization.

29090285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36172.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 29090285 is about 5393.5410446199. The cubic root of 29090285 is about 307.5501845958.

The spelling of 29090285 in words is "twenty-nine million, ninety thousand, two hundred eighty-five".

Divisors: 1 5 7 23 35 115 161 805 36137 180685 252959 831151 1264795 4155755 5818057 29090285