Search a number
-
+
74421060 = 22357374789
BaseRepresentation
bin1000110111110…
…01001101000100
312012000222111120
410123321031010
5123022433220
611215033540
71562366010
oct433711504
9165028446
1074421060
113901070a
1220b0b8b0
1312558c3c
149c53540
156800a40
hex46f9344

74421060 has 96 divisors (see below), whose sum is σ = 244634880. Its totient is φ = 16547328.

The previous prime is 74420981. The next prime is 74421101. The reversal of 74421060 is 6012447.

It is a self number, because there is not a number n which added to its sum of digits gives 74421060.

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, 13146 + ... + 17934.

It is an arithmetic number, because the mean of its divisors is an integer number (2548280).

Almost surely, 274421060 is an apocalyptic number.

74421060 is a gapful number since it is divisible by the number (70) 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 74421060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122317440).

74421060 is an abundant number, since it is smaller than the sum of its proper divisors (170213820).

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

74421060 is a wasteful number, since it uses less digits than its factorization.

74421060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4845 (or 4843 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74421060 is about 8626.7641674037. The cubic root of 74421060 is about 420.6284243315.

The spelling of 74421060 in words is "seventy-four million, four hundred twenty-one thousand, sixty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 60 70 74 84 105 111 140 148 185 210 222 259 370 420 444 518 555 740 777 1036 1110 1295 1554 2220 2590 3108 3885 4789 5180 7770 9578 14367 15540 19156 23945 28734 33523 47890 57468 67046 71835 95780 100569 134092 143670 167615 177193 201138 287340 335230 354386 402276 502845 531579 670460 708772 885965 1005690 1063158 1240351 1771930 2011380 2126316 2480702 2657895 3543860 3721053 4961404 5315790 6201755 7442106 10631580 12403510 14884212 18605265 24807020 37210530 74421060