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29989050 = 23527134
BaseRepresentation
bin111001001100…
…1100010111010
32002102121020120
41302121202322
530134122200
62550434110
7512621430
oct162314272
962377216
1029989050
1115a23243
12a062936
1362a0000
143da8d50
1529759a0
hex1c998ba

29989050 has 120 divisors (see below), whose sum is σ = 92080416. Its totient is φ = 6327360.

The previous prime is 29989027. The next prime is 29989109. The reversal of 29989050 is 5098992.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 29988993 and 29989011.

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 59 ways as a sum of consecutive naturals, for example, 2306844 + ... + 2306856.

Almost surely, 229989050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29989050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46040208).

29989050 is an abundant number, since it is smaller than the sum of its proper divisors (62091366).

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

29989050 is an equidigital number, since it uses as much as digits as its factorization.

29989050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 29989050 is about 5476.2258901546. The cubic root of 29989050 is about 310.6854413327.

Multiplying 29989050 by its sum of digits (42), we get a square (1259540100 = 354902).

29989050 divided by its sum of digits (42) gives a square (714025 = 8452).

The spelling of 29989050 in words is "twenty-nine million, nine hundred eighty-nine thousand, fifty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 25 26 30 35 39 42 50 65 70 75 78 91 105 130 150 169 175 182 195 210 273 325 338 350 390 455 507 525 546 650 845 910 975 1014 1050 1183 1365 1690 1950 2197 2275 2366 2535 2730 3549 4225 4394 4550 5070 5915 6591 6825 7098 8450 10985 11830 12675 13182 13650 15379 17745 21970 25350 28561 29575 30758 32955 35490 46137 54925 57122 59150 65910 76895 85683 88725 92274 109850 142805 153790 164775 171366 177450 199927 230685 285610 329550 384475 399854 428415 461370 599781 714025 768950 856830 999635 1153425 1199562 1428050 1999270 2142075 2306850 2998905 4284150 4998175 5997810 9996350 14994525 29989050