Search a number
-
+
29908320 = 2535134793
BaseRepresentation
bin111001000010…
…1110101100000
32002021111111120
41302011311200
530124031240
62545012240
7512134161
oct162056540
962244446
1029908320
1115978622
12a024080
136272340
143d87768
15295bad0
hex1c85d60

29908320 has 96 divisors (see below), whose sum is σ = 101479392. Its totient is φ = 7360512.

The previous prime is 29908201. The next prime is 29908327. The reversal of 29908320 is 2380992.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29908327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3844 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (1057077).

Almost surely, 229908320 is an apocalyptic number.

29908320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29908320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50739696).

29908320 is an abundant number, since it is smaller than the sum of its proper divisors (71571072).

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

29908320 is a wasteful number, since it uses less digits than its factorization.

29908320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4824 (or 4816 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 29908320 is about 5468.8499705148. The cubic root of 29908320 is about 310.4064041971.

The spelling of 29908320 in words is "twenty-nine million, nine hundred eight thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 78 80 96 104 120 130 156 160 195 208 240 260 312 390 416 480 520 624 780 1040 1248 1560 2080 3120 4793 6240 9586 14379 19172 23965 28758 38344 47930 57516 62309 71895 76688 95860 115032 124618 143790 153376 186927 191720 230064 249236 287580 311545 373854 383440 460128 498472 575160 623090 747708 766880 934635 996944 1150320 1246180 1495416 1869270 1993888 2300640 2492360 2990832 3738540 4984720 5981664 7477080 9969440 14954160 29908320