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29905050 = 23527191499
BaseRepresentation
bin111001000010…
…1000010011010
32002021100000110
41302011002122
530123430200
62544545150
7512121510
oct162050232
962240013
1029905050
111597611a
12a0221b6
1362709c6
143d864b0
15295ab50
hex1c8509a

29905050 has 96 divisors (see below), whose sum is σ = 89280000. Its totient is φ = 6471360.

The previous prime is 29905039. The next prime is 29905087. The reversal of 29905050 is 5050992.

It is a super-3 number, since 3×299050503 (a number of 23 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 29904999 and 29905017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19201 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (930000).

Almost surely, 229905050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29905050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44640000).

29905050 is an abundant number, since it is smaller than the sum of its proper divisors (59374950).

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

29905050 is a wasteful number, since it uses less digits than its factorization.

29905050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 29905050 is about 5468.5509963792. The cubic root of 29905050 is about 310.3950911139.

The spelling of 29905050 in words is "twenty-nine million, nine hundred five thousand, fifty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 25 30 35 38 42 50 57 70 75 95 105 114 133 150 175 190 210 266 285 350 399 475 525 570 665 798 950 1050 1330 1425 1499 1995 2850 2998 3325 3990 4497 6650 7495 8994 9975 10493 14990 19950 20986 22485 28481 31479 37475 44970 52465 56962 62958 74950 85443 104930 112425 142405 157395 170886 199367 224850 262325 284810 314790 398734 427215 524650 598101 712025 786975 854430 996835 1196202 1424050 1573950 1993670 2136075 2990505 4272150 4984175 5981010 9968350 14952525 29905050