Search a number
-
+
29900460 = 22352347461
BaseRepresentation
bin111001000001…
…1111010101100
32002021002201110
41302003322230
530123303320
62544512020
7512102232
oct162037254
962232643
1029900460
1115972727
12a01b610
13626b8a5
143d84952
1529595e0
hex1c83eac

29900460 has 96 divisors (see below), whose sum is σ = 89413632. Its totient is φ = 7448320.

The previous prime is 29900459. The next prime is 29900489. The reversal of 29900460 is 6400992.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 31 ways as a sum of consecutive naturals, for example, 64630 + ... + 65090.

It is an arithmetic number, because the mean of its divisors is an integer number (931392).

Almost surely, 229900460 is an apocalyptic number.

29900460 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 29900460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44706816).

29900460 is an abundant number, since it is smaller than the sum of its proper divisors (59513172).

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

29900460 is a wasteful number, since it uses less digits than its factorization.

29900460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 29900460 is about 5468.1313078601. The cubic root of 29900460 is about 310.3792098902.

The spelling of 29900460 in words is "twenty-nine million, nine hundred thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 47 60 69 92 94 115 138 141 188 230 235 276 282 345 460 461 470 564 690 705 922 940 1081 1380 1383 1410 1844 2162 2305 2766 2820 3243 4324 4610 5405 5532 6486 6915 9220 10603 10810 12972 13830 16215 21206 21620 21667 27660 31809 32430 42412 43334 53015 63618 64860 65001 86668 106030 108335 127236 130002 159045 212060 216670 260004 318090 325005 433340 498341 636180 650010 996682 1300020 1495023 1993364 2491705 2990046 4983410 5980092 7475115 9966820 14950230 29900460