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841421190 = 235236119991
BaseRepresentation
bin110010001001110…
…001000110000110
32011122021121212210
4302021301012012
53210400434230
6215254324250
726564651001
oct6211610606
92148247783
10841421190
113a1a62215
121b5959686
1310542657c
147da6c538
154dd09eb0
hex32271186

841421190 has 64 divisors (see below), whose sum is σ = 2141862912. Its totient is φ = 211094400.

The previous prime is 841421177. The next prime is 841421197. The reversal of 841421190 is 91124148.

It is a super-2 number, since 2×8414211902 = 1415979237962032200, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841421197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32095 + ... + 52085.

It is an arithmetic number, because the mean of its divisors is an integer number (33466608).

Almost surely, 2841421190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 841421190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070931456).

841421190 is an abundant number, since it is smaller than the sum of its proper divisors (1300441722).

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

841421190 is a wasteful number, since it uses less digits than its factorization.

841421190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 841421190 is about 29007.2609875528. The cubic root of 841421190 is about 944.0706184303.

The spelling of 841421190 in words is "eight hundred forty-one million, four hundred twenty-one thousand, one hundred ninety".

Divisors: 1 2 3 5 6 10 15 23 30 46 61 69 115 122 138 183 230 305 345 366 610 690 915 1403 1830 2806 4209 7015 8418 14030 19991 21045 39982 42090 59973 99955 119946 199910 299865 459793 599730 919586 1219451 1379379 2298965 2438902 2758758 3658353 4597930 6097255 6896895 7316706 12194510 13793790 18291765 28047373 36583530 56094746 84142119 140236865 168284238 280473730 420710595 841421190