Search a number
-
+
29958144 = 21332353
BaseRepresentation
bin111001001001…
…0000000000000
32002101000211220
41302102000000
530132130034
62550035040
7512432346
oct162220000
962330756
1029958144
1115a01aa7
12a048a80
13628bc18
143d9b996
15296b749
hex1c92000

29958144 has 112 divisors (see below), whose sum is σ = 84929472. Its totient is φ = 9371648.

The previous prime is 29958139. The next prime is 29958161. The reversal of 29958144 is 44185992.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

Its product of digits (103680) is a multiple of the sum of its prime divisors (81).

It is a junction number, because it is equal to n+sod(n) for n = 29958096 and 29958105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 565222 + ... + 565274.

Almost surely, 229958144 is an apocalyptic number.

29958144 is a gapful number since it is divisible by the number (24) 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 29958144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42464736).

29958144 is an abundant number, since it is smaller than the sum of its proper divisors (54971328).

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

29958144 is an equidigital number, since it uses as much as digits as its factorization.

29958144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 81 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 29958144 is about 5473.4033288257. The cubic root of 29958144 is about 310.5786763114.

The spelling of 29958144 in words is "twenty-nine million, nine hundred fifty-eight thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 53 64 69 92 96 106 128 138 159 184 192 212 256 276 318 368 384 424 512 552 636 736 768 848 1024 1104 1219 1272 1472 1536 1696 2048 2208 2438 2544 2944 3072 3392 3657 4096 4416 4876 5088 5888 6144 6784 7314 8192 8832 9752 10176 11776 12288 13568 14628 17664 19504 20352 23552 24576 27136 29256 35328 39008 40704 47104 54272 58512 70656 78016 81408 94208 108544 117024 141312 156032 162816 188416 217088 234048 282624 312064 325632 434176 468096 565248 624128 651264 936192 1248256 1302528 1872384 2496512 3744768 4993024 7489536 9986048 14979072 29958144