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1430231130 = 232544935393
BaseRepresentation
bin101010100111111…
…1001100001011010
310200200020021021100
41111033321201122
510412114344010
6353530452230
750304523026
oct12517714132
93620207240
101430231130
116743678a9
1233ab94076
1319a404a13
14d7d41386
15858672c0
hex553f985a

1430231130 has 48 divisors (see below), whose sum is σ = 3726988200. Its totient is φ = 380534784.

The previous prime is 1430231107. The next prime is 1430231141. The reversal of 1430231130 is 311320341.

1430231130 is a `hidden beast` number, since 1 + 430 + 231 + 1 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1426346289 + 3884841 = 37767^2 + 1971^2 .

It is a super-2 number, since 2×14302311302 = 4091122170442153800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22714 + ... + 58106.

Almost surely, 21430231130 is an apocalyptic number.

1430231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430231130 is an abundant number, since it is smaller than the sum of its proper divisors (2296757070).

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

1430231130 is a wasteful number, since it uses less digits than its factorization.

1430231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35855 (or 35852 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1430231130 is about 37818.3967137688. The cubic root of 1430231130 is about 1126.6838665294.

Adding to 1430231130 its reverse (311320341), we get a palindrome (1741551471).

The spelling of 1430231130 in words is "one billion, four hundred thirty million, two hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 449 898 1347 2245 2694 4041 4490 6735 8082 13470 20205 35393 40410 70786 106179 176965 212358 318537 353930 530895 637074 1061790 1592685 3185370 15891457 31782914 47674371 79457285 95348742 143023113 158914570 238371855 286046226 476743710 715115565 1430231130