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29748317 = 1753137241
BaseRepresentation
bin111000101111…
…0110001011101
32001222101000112
41301132301131
530103421232
62541335405
7510566534
oct161366135
961871015
1029748317
1115879395
129b67565
136217571
143d4531b
1529294b2
hex1c5ec5d

29748317 has 16 divisors (see below), whose sum is σ = 32460912. Its totient is φ = 27156480.

The previous prime is 29748307. The next prime is 29748343. The reversal of 29748317 is 71384792.

It can be written as a sum of positive squares in 8 ways, for example, as 5354596 + 24393721 = 2314^2 + 4939^2 .

It is a de Polignac number, because none of the positive numbers 2k-29748317 is a prime.

It is a Duffinian number.

Its product of digits (84672) is a multiple of the sum of its prime divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29748307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123317 + ... + 123557.

It is an arithmetic number, because the mean of its divisors is an integer number (2028807).

Almost surely, 229748317 is an apocalyptic number.

It is an amenable number.

29748317 is a deficient number, since it is larger than the sum of its proper divisors (2712595).

29748317 is a wasteful number, since it uses less digits than its factorization.

29748317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448.

The product of its digits is 84672, while the sum is 41.

The square root of 29748317 is about 5454.2017747788. The cubic root of 29748317 is about 309.8518785955.

The spelling of 29748317 in words is "twenty-nine million, seven hundred forty-eight thousand, three hundred seventeen".

Divisors: 1 17 53 137 241 901 2329 4097 7261 12773 33017 123437 217141 561289 1749901 29748317