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1430440130 = 25731659189
BaseRepresentation
bin101010101000010…
…1100100011000010
310200200121212222002
41111100230203002
510412143041010
6353535144002
750306353250
oct12520544302
93620555862
101430440130
1167449a929
1233b075002
1319a478ba2
14d7d975d0
15858a91a5
hex5542c8c2

1430440130 has 32 divisors (see below), whose sum is σ = 3037547520. Its totient is φ = 474615360.

The previous prime is 1430440097. The next prime is 1430440171. The reversal of 1430440130 is 310440341.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327425 + ... + 331764.

It is an arithmetic number, because the mean of its divisors is an integer number (94923360).

Almost surely, 21430440130 is an apocalyptic number.

1430440130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1430440130 is an abundant number, since it is smaller than the sum of its proper divisors (1607107390).

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

1430440130 is a wasteful number, since it uses less digits than its factorization.

1430440130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659234.

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

The square root of 1430440130 is about 37821.1598182816. The cubic root of 1430440130 is about 1126.7387447128.

Adding to 1430440130 its reverse (310440341), we get a palindrome (1740880471).

The spelling of 1430440130 in words is "one billion, four hundred thirty million, four hundred forty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 659189 1318378 3295945 4614323 6591890 9228646 20434859 23071615 40869718 46143230 102174295 143044013 204348590 286088026 715220065 1430440130