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29490075 = 345214563
BaseRepresentation
bin111000001111…
…1101110011011
32001111020210000
41300133232123
530022140300
62532024043
7505442616
oct160375633
961436700
1029490075
111571236a
129a62023
136156b64
143cb917d
1528c7c00
hex1c1fb9b

29490075 has 30 divisors (see below), whose sum is σ = 54629564. Its totient is φ = 15726960.

The previous prime is 29490049. The next prime is 29490077. The reversal of 29490075 is 57009492.

It is not a de Polignac number, because 29490075 - 28 = 29489819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29490077) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5257 + ... + 9306.

Almost surely, 229490075 is an apocalyptic number.

29490075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

29490075 is a deficient number, since it is larger than the sum of its proper divisors (25139489).

29490075 is a wasteful number, since it uses less digits than its factorization.

29490075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14585 (or 14571 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 29490075 is about 5430.4764984299. The cubic root of 29490075 is about 308.9526744375.

The spelling of 29490075 in words is "twenty-nine million, four hundred ninety thousand, seventy-five".

Divisors: 1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 14563 43689 72815 131067 218445 364075 393201 655335 1092225 1179603 1966005 3276675 5898015 9830025 29490075