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1140442030 = 257138771429
BaseRepresentation
bin100001111111001…
…1100001110101110
32221110221110100201
41003332130032232
54313423121110
6305055344114
740155411610
oct10376341656
92843843321
101140442030
11535827a82
12279b2203a
13152370790
14ab668db0
156a1c3b3a
hex43f9c3ae

1140442030 has 64 divisors (see below), whose sum is σ = 2531168640. Its totient is φ = 360267264.

The previous prime is 1140442027. The next prime is 1140442057. The reversal of 1140442030 is 302440411.

It is a junction number, because it is equal to n+sod(n) for n = 1140441989 and 1140442007.

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, 797356 + ... + 798784.

It is an arithmetic number, because the mean of its divisors is an integer number (39549510).

Almost surely, 21140442030 is an apocalyptic number.

1140442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140442030 is an abundant number, since it is smaller than the sum of its proper divisors (1390726610).

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

1140442030 is a wasteful number, since it uses less digits than its factorization.

1140442030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1140442030 is about 33770.4312972162. The cubic root of 1140442030 is about 1044.7789280754.

Adding to 1140442030 its reverse (302440411), we get a palindrome (1442882441).

The spelling of 1140442030 in words is "one billion, one hundred forty million, four hundred forty-two thousand, thirty".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 877 910 1429 1754 2858 4385 6139 7145 8770 10003 11401 12278 14290 18577 20006 22802 30695 37154 50015 57005 61390 79807 92885 100030 114010 130039 159614 185770 260078 399035 650195 798070 1253233 1300390 2506466 6266165 8772631 12532330 16292029 17545262 32584058 43863155 81460145 87726310 114044203 162920290 228088406 570221015 1140442030