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29198868 = 22323671579
BaseRepresentation
bin110111101100…
…0101000010100
32000221110022120
41233120220110
524433330433
62521455540
7503120616
oct157305024
960843276
1029198868
11155335a6
1299415b0
13608444a
143c40db6
15286b7b3
hex1bd8a14

29198868 has 48 divisors (see below), whose sum is σ = 72199680. Its totient is φ = 9165024.

The previous prime is 29198867. The next prime is 29198881. The reversal of 29198868 is 86889192.

It is a self number, because there is not a number n which added to its sum of digits gives 29198868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29198867) 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, 17703 + ... + 19281.

It is an arithmetic number, because the mean of its divisors is an integer number (1504160).

Almost surely, 229198868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29198868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36099840).

29198868 is an abundant number, since it is smaller than the sum of its proper divisors (43000812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29198868 is a wasteful number, since it uses less digits than its factorization.

29198868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1674 counting only the distinct ones).

The product of its digits is 497664, while the sum is 51.

The square root of 29198868 is about 5403.5976904281. The cubic root of 29198868 is about 307.9323655392.

The spelling of 29198868 in words is "twenty-nine million, one hundred ninety-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 23 46 67 69 92 134 138 201 268 276 402 804 1541 1579 3082 3158 4623 4737 6164 6316 9246 9474 18492 18948 36317 72634 105793 108951 145268 211586 217902 317379 423172 435804 634758 1269516 2433239 4866478 7299717 9732956 14599434 29198868