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1130221404 = 2233131747353
BaseRepresentation
bin100001101011101…
…1100111101011100
32220202201012022000
41003113130331130
54303314041104
6304052322300
740002503064
oct10327347534
92822635260
101130221404
1152aa87084
12276613390
13150202680
14aa1683a4
1569355639
hex435dcf5c

1130221404 has 96 divisors (see below), whose sum is σ = 3341298240. Its totient is φ = 327297024.

The previous prime is 1130221397. The next prime is 1130221447. The reversal of 1130221404 is 4041220311.

1130221404 is a `hidden beast` number, since 11 + 30 + 221 + 404 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192 + ... + 47544.

It is an arithmetic number, because the mean of its divisors is an integer number (34805190).

Almost surely, 21130221404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130221404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670649120).

1130221404 is an abundant number, since it is smaller than the sum of its proper divisors (2211076836).

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

1130221404 is a wasteful number, since it uses less digits than its factorization.

1130221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47396 (or 47388 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1130221404 is about 33618.7656525340. The cubic root of 1130221404 is about 1041.6484594350.

Adding to 1130221404 its reverse (4041220311), we get a palindrome (5171441715).

The spelling of 1130221404 in words is "one billion, one hundred thirty million, two hundred twenty-one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 13 17 18 26 27 34 36 39 51 52 54 68 78 102 108 117 153 156 204 221 234 306 351 442 459 468 612 663 702 884 918 1326 1404 1836 1989 2652 3978 5967 7956 11934 23868 47353 94706 142059 189412 284118 426177 568236 615589 805001 852354 1231178 1278531 1610002 1704708 1846767 2415003 2462356 2557062 3220004 3693534 4830006 5114124 5540301 7245009 7387068 9660012 10465013 11080602 14490018 16620903 20930026 21735027 22161204 28980036 31395039 33241806 41860052 43470054 62790078 66483612 86940108 94185117 125580156 188370234 282555351 376740468 565110702 1130221404