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29995293 = 317727809
BaseRepresentation
bin111001001101…
…1000100011101
32002102220210210
41302123010131
530134322133
62550523033
7512645556
oct162330435
962386723
1029995293
1115a279a9
12a066479
1362a2ac3
143dab32d
152977763
hex1c9b11d

29995293 has 16 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 18771456.

The previous prime is 29995279. The next prime is 29995331. The reversal of 29995293 is 39259992.

It is not a de Polignac number, because 29995293 - 25 = 29995261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29995223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36673 + ... + 37481.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 229995293 is an apocalyptic number.

It is an amenable number.

29995293 is a deficient number, since it is larger than the sum of its proper divisors (12461667).

29995293 is a wasteful number, since it uses less digits than its factorization.

29995293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its digits is 393660, while the sum is 48.

The square root of 29995293 is about 5476.7958698495. The cubic root of 29995293 is about 310.7069989194.

The spelling of 29995293 in words is "twenty-nine million, nine hundred ninety-five thousand, two hundred ninety-three".

Divisors: 1 3 17 51 727 809 2181 2427 12359 13753 37077 41259 588143 1764429 9998431 29995293