Search a number
-
+
29967288 = 23313139691
BaseRepresentation
bin111001001010…
…0001110111000
32002101111101120
41302110032320
530132423123
62550145240
7512501121
oct162241670
962344346
1029967288
1115a0895a
12a052220
136293130
143da1048
15296e2e3
hex1c943b8

29967288 has 64 divisors (see below), whose sum is σ = 81379200. Its totient is φ = 9141120.

The previous prime is 29967283. The next prime is 29967317. The reversal of 29967288 is 88276992.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 29967288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29967281) 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, 43023 + ... + 43713.

It is an arithmetic number, because the mean of its divisors is an integer number (1271550).

Almost surely, 229967288 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 29967288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40689600).

29967288 is an abundant number, since it is smaller than the sum of its proper divisors (51411912).

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

29967288 is a wasteful number, since it uses less digits than its factorization.

29967288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its digits is 870912, while the sum is 51.

The square root of 29967288 is about 5474.2385771904. The cubic root of 29967288 is about 310.6102719773.

The spelling of 29967288 in words is "twenty-nine million, nine hundred sixty-seven thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 139 156 278 312 417 556 691 834 1112 1382 1668 1807 2073 2764 3336 3614 4146 5421 5528 7228 8292 8983 10842 14456 16584 17966 21684 26949 35932 43368 53898 71864 96049 107796 192098 215592 288147 384196 576294 768392 1152588 1248637 2305176 2497274 3745911 4994548 7491822 9989096 14983644 29967288