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29149 = 103283
BaseRepresentation
bin111000111011101
31110222121
413013131
51413044
6342541
7150661
oct70735
943877
1029149
111a99a
1214a51
1310363
14a8a1
158984
hex71dd

29149 has 4 divisors (see below), whose sum is σ = 29536. Its totient is φ = 28764.

The previous prime is 29147. The next prime is 29153. The reversal of 29149 is 94192.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 29149 - 21 = 29147 is a prime.

It is an Ulam number.

It is a Duffinian number.

29149 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39 + ... + 244.

It is an arithmetic number, because the mean of its divisors is an integer number (7384).

229149 is an apocalyptic number.

It is an amenable number.

29149 is a deficient number, since it is larger than the sum of its proper divisors (387).

29149 is a wasteful number, since it uses less digits than its factorization.

29149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its digits is 648, while the sum is 25.

The square root of 29149 is about 170.7307822275. The cubic root of 29149 is about 30.7756962375.

The spelling of 29149 in words is "twenty-nine thousand, one hundred forty-nine".

Divisors: 1 103 283 29149