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29193949 = 101289049
BaseRepresentation
bin110111101011…
…1011011011101
32000221012120101
41233113123131
524433201244
62521421101
7503100361
oct157273335
960835511
1029193949
111552a934
12993a791
136082135
143c3d2a1
15286a0d4
hex1bd76dd

29193949 has 4 divisors (see below), whose sum is σ = 29483100. Its totient is φ = 28904800.

The previous prime is 29193943. The next prime is 29193953. The reversal of 29193949 is 94939192.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21325924 + 7868025 = 4618^2 + 2805^2 .

It is a cyclic number.

It is not a de Polignac number, because 29193949 - 27 = 29193821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29193899 and 29193908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29193943) 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, 144424 + ... + 144625.

It is an arithmetic number, because the mean of its divisors is an integer number (7370775).

Almost surely, 229193949 is an apocalyptic number.

It is an amenable number.

29193949 is a deficient number, since it is larger than the sum of its proper divisors (289151).

29193949 is a wasteful number, since it uses less digits than its factorization.

29193949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289150.

The product of its digits is 157464, while the sum is 46.

The square root of 29193949 is about 5403.1425115390. The cubic root of 29193949 is about 307.9150725815.

The spelling of 29193949 in words is "twenty-nine million, one hundred ninety-three thousand, nine hundred forty-nine".

Divisors: 1 101 289049 29193949