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1130440430 = 257137117877
BaseRepresentation
bin100001101100001…
…0010011011101110
32220210010022202002
41003120102123232
54303343043210
6304101132302
740004404460
oct10330223356
92823108662
101130440430
11530116699
122766ba092
1315027b282
14aa1c4130
156939a4a5
hex436126ee

1130440430 has 32 divisors (see below), whose sum is σ = 2342471616. Its totient is φ = 384747264.

The previous prime is 1130440427. The next prime is 1130440433. The reversal of 1130440430 is 340440311.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1130440427) and next prime (1130440433).

It is a super-3 number, since 3×11304404303 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130440433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49349 + ... + 68528.

It is an arithmetic number, because the mean of its divisors is an integer number (73202238).

Almost surely, 21130440430 is an apocalyptic number.

1130440430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1130440430 is an abundant number, since it is smaller than the sum of its proper divisors (1212031186).

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

1130440430 is a wasteful number, since it uses less digits than its factorization.

1130440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118028.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1130440430 is about 33622.0229908910. The cubic root of 1130440430 is about 1041.7157422283.

Adding to 1130440430 its reverse (340440311), we get a palindrome (1470880741).

The spelling of 1130440430 in words is "one billion, one hundred thirty million, four hundred forty thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 137 274 685 959 1370 1918 4795 9590 117877 235754 589385 825139 1178770 1650278 4125695 8251390 16149149 32298298 80745745 113044043 161491490 226088086 565220215 1130440430