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29129493 = 327533527
BaseRepresentation
bin110111100011…
…1101100010101
32000210221011010
41233013230111
524424120433
62520202433
7502411431
oct157075425
960727133
1029129493
1115496468
129909419
13605b9b3
143c239c1
152855e63
hex1bc7b15

29129493 has 8 divisors (see below), whose sum is σ = 38864448. Its totient is φ = 19407104.

The previous prime is 29129453. The next prime is 29129501. The reversal of 29129493 is 39492192.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29129493 - 214 = 29113109 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 (29129423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6496 + ... + 10022.

It is an arithmetic number, because the mean of its divisors is an integer number (4858056).

Almost surely, 229129493 is an apocalyptic number.

It is an amenable number.

29129493 is a deficient number, since it is larger than the sum of its proper divisors (9734955).

29129493 is a wasteful number, since it uses less digits than its factorization.

29129493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283.

The product of its digits is 34992, while the sum is 39.

The square root of 29129493 is about 5397.1745385896. The cubic root of 29129493 is about 307.6882950134.

The spelling of 29129493 in words is "twenty-nine million, one hundred twenty-nine thousand, four hundred ninety-three".

Divisors: 1 3 2753 3527 8259 10581 9709831 29129493