Search a number
-
+
29019770 = 2513223229
BaseRepresentation
bin110111010110…
…0111001111010
32000121100122022
41232230321322
524412113040
62513554442
7501443513
oct156547172
960540568
1029019770
1115420a8a
129875a22
136020a80
143bd5a0a
1528336b5
hex1bace7a

29019770 has 16 divisors (see below), whose sum is σ = 56253960. Its totient is φ = 10714944.

The previous prime is 29019761. The next prime is 29019787. The reversal of 29019770 is 7791092.

It is a Cunningham number, because it is equal to 53872+1.

It can be written as a sum of positive squares in 4 ways, for example, as 10452289 + 18567481 = 3233^2 + 4309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29019770.

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, 111485 + ... + 111744.

Almost surely, 229019770 is an apocalyptic number.

29019770 is a deficient number, since it is larger than the sum of its proper divisors (27234190).

29019770 is a wasteful number, since it uses less digits than its factorization.

29019770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223249.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 29019770 is about 5387.0000928160. Note that the first 4 decimals coincide. The cubic root of 29019770 is about 307.3014824609.

The spelling of 29019770 in words is "twenty-nine million, nineteen thousand, seven hundred seventy".

Divisors: 1 2 5 10 13 26 65 130 223229 446458 1116145 2232290 2901977 5803954 14509885 29019770