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29148217 = 717244943
BaseRepresentation
bin110111100110…
…0010000111001
32000211212211121
41233030100321
524430220332
62520425241
7502520140
oct157142071
960755747
1029148217
11154a953a
129918221
136067387
143c2a757
15285b797
hex1bcc439

29148217 has 8 divisors (see below), whose sum is σ = 35271936. Its totient is φ = 23514432.

The previous prime is 29148187. The next prime is 29148221. The reversal of 29148217 is 71284192.

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 29148217 - 219 = 28623929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29148517) 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 7 ways as a sum of consecutive naturals, for example, 122353 + ... + 122590.

It is an arithmetic number, because the mean of its divisors is an integer number (4408992).

Almost surely, 229148217 is an apocalyptic number.

It is an amenable number.

29148217 is a deficient number, since it is larger than the sum of its proper divisors (6123719).

29148217 is a wasteful number, since it uses less digits than its factorization.

29148217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244967.

The product of its digits is 8064, while the sum is 34.

The square root of 29148217 is about 5398.9088712443. The cubic root of 29148217 is about 307.7542066959.

The spelling of 29148217 in words is "twenty-nine million, one hundred forty-eight thousand, two hundred seventeen".

Divisors: 1 7 17 119 244943 1714601 4164031 29148217