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1430109 = 3352967
BaseRepresentation
bin101011101001001011101
32200122202000
411131021131
5331230414
650352513
715104262
oct5351135
92618660
101430109
1189750a
1258b739
133b0c25
14293269
151d3b09
hex15d25d

1430109 has 8 divisors (see below), whose sum is σ = 2118720. Its totient is φ = 953388.

The previous prime is 1430089. The next prime is 1430119. The reversal of 1430109 is 9010341.

It is not a de Polignac number, because 1430109 - 220 = 381533 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1430091 and 1430100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26457 + ... + 26510.

It is an arithmetic number, because the mean of its divisors is an integer number (264840).

21430109 is an apocalyptic number.

It is an amenable number.

1430109 is a deficient number, since it is larger than the sum of its proper divisors (688611).

1430109 is an equidigital number, since it uses as much as digits as its factorization.

1430109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52976 (or 52970 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1430109 is about 1195.8716486312. The cubic root of 1430109 is about 112.6651795765.

The spelling of 1430109 in words is "one million, four hundred thirty thousand, one hundred nine".

Divisors: 1 3 9 27 52967 158901 476703 1430109