Search a number
-
+
29020770 = 23251272539
BaseRepresentation
bin110111010110…
…1001001100010
32000121102000100
41232231021202
524412131040
62514003230
7501446442
oct156551142
960542010
1029020770
1115421809
129876516
13602136c
143bd6122
152833b30
hex1bad262

29020770 has 48 divisors (see below), whose sum is σ = 76078080. Its totient is φ = 7674912.

The previous prime is 29020757. The next prime is 29020843. The reversal of 29020770 is 7702092.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10161 + ... + 12699.

It is an arithmetic number, because the mean of its divisors is an integer number (1584960).

Almost surely, 229020770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29020770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38039040).

29020770 is an abundant number, since it is smaller than the sum of its proper divisors (47057310).

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

29020770 is a wasteful number, since it uses less digits than its factorization.

29020770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 29020770 is about 5387.0929080535. The cubic root of 29020770 is about 307.3050122149.

The spelling of 29020770 in words is "twenty-nine million, twenty thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127 254 381 635 762 1143 1270 1905 2286 2539 3810 5078 5715 7617 11430 12695 15234 22851 25390 38085 45702 76170 114255 228510 322453 644906 967359 1612265 1934718 2902077 3224530 4836795 5804154 9673590 14510385 29020770