Search a number
-
+
29770860 = 2235773971
BaseRepresentation
bin111000110010…
…0010001101100
32002000111221110
41301210101230
530110131420
62542032020
7511022340
oct161442154
962014843
1029770860
1115894319
129b78610
1362248c2
143d4d620
152930ee0
hex1c6446c

29770860 has 96 divisors (see below), whose sum is σ = 96671232. Its totient is φ = 6704640.

The previous prime is 29770831. The next prime is 29770883. The reversal of 29770860 is 6807792.

29770860 = T314 + T315 + ... + T593.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 30175 + ... + 31145.

It is an arithmetic number, because the mean of its divisors is an integer number (1006992).

Almost surely, 229770860 is an apocalyptic number.

29770860 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 29770860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48335616).

29770860 is an abundant number, since it is smaller than the sum of its proper divisors (66900372).

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

29770860 is a wasteful number, since it uses less digits than its factorization.

29770860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063 (or 1061 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 29770860 is about 5456.2679552969. The cubic root of 29770860 is about 309.9301264648.

The spelling of 29770860 in words is "twenty-nine million, seven hundred seventy thousand, eight hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 73 84 105 140 146 210 219 292 365 420 438 511 730 876 971 1022 1095 1460 1533 1942 2044 2190 2555 2913 3066 3884 4380 4855 5110 5826 6132 6797 7665 9710 10220 11652 13594 14565 15330 19420 20391 27188 29130 30660 33985 40782 58260 67970 70883 81564 101955 135940 141766 203910 212649 283532 354415 407820 425298 496181 708830 850596 992362 1063245 1417660 1488543 1984724 2126490 2480905 2977086 4252980 4961810 5954172 7442715 9923620 14885430 29770860