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29828253 = 3713372953
BaseRepresentation
bin111000111001…
…0010010011101
32002010102200010
41301302102131
530114001003
62543153433
7511351560
oct161622235
962112603
1029828253
1115923454
129ba5879
136244a70
143d664d7
152943003
hex1c7249d

29828253 has 32 divisors (see below), whose sum is σ = 50288896. Its totient is φ = 15303168.

The previous prime is 29828243. The next prime is 29828287. The reversal of 29828253 is 35282892.

It is not a de Polignac number, because 29828253 - 26 = 29828189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29828203) 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 31 ways as a sum of consecutive naturals, for example, 8625 + ... + 11577.

It is an arithmetic number, because the mean of its divisors is an integer number (1571528).

Almost surely, 229828253 is an apocalyptic number.

It is an amenable number.

29828253 is a deficient number, since it is larger than the sum of its proper divisors (20460643).

29828253 is a wasteful number, since it uses less digits than its factorization.

29828253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its digits is 69120, while the sum is 39.

The square root of 29828253 is about 5461.5247870901. The cubic root of 29828253 is about 310.1291622711.

The spelling of 29828253 in words is "twenty-nine million, eight hundred twenty-eight thousand, two hundred fifty-three".

Divisors: 1 3 7 13 21 37 39 91 111 259 273 481 777 1443 2953 3367 8859 10101 20671 38389 62013 109261 115167 268723 327783 764827 806169 1420393 2294481 4261179 9942751 29828253