Search a number
-
+
29912850 = 23252116043
BaseRepresentation
bin111001000011…
…0111100010010
32002021201201100
41302012330102
530124202400
62545045230
7512153322
oct162067422
962251640
1029912850
1115980a70
12a026816
136274416
143d89282
15295d100
hex1c86f12

29912850 has 72 divisors (see below), whose sum is σ = 87686352. Its totient is φ = 7250400.

The previous prime is 29912819. The next prime is 29912863. The reversal of 29912850 is 5821992.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1929 + ... + 7971.

It is an arithmetic number, because the mean of its divisors is an integer number (1217866).

Almost surely, 229912850 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29912850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43843176).

29912850 is an abundant number, since it is smaller than the sum of its proper divisors (57773502).

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

29912850 is a wasteful number, since it uses less digits than its factorization.

29912850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072 (or 6064 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 29912850 is about 5469.2641186909. The cubic root of 29912850 is about 310.4220750876.

The spelling of 29912850 in words is "twenty-nine million, nine hundred twelve thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 150 165 198 225 275 330 450 495 550 825 990 1650 2475 4950 6043 12086 18129 30215 36258 54387 60430 66473 90645 108774 132946 151075 181290 199419 271935 302150 332365 398838 453225 543870 598257 664730 906450 997095 1196514 1359675 1661825 1994190 2719350 2991285 3323650 4985475 5982570 9970950 14956425 29912850