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1430001 = 3352963
BaseRepresentation
bin101011101000111110001
32200122121000
411131013301
5331230001
650352213
715104046
oct5350761
92618530
101430001
11897421
1258b669
133b0b71
142931cd
151d3a86
hex15d1f1

1430001 has 8 divisors (see below), whose sum is σ = 2118560. Its totient is φ = 953316.

The previous prime is 1429969. The next prime is 1430027. The reversal of 1430001 is 1000341.

It is not a de Polignac number, because 1430001 - 25 = 1429969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430041) 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, 26455 + ... + 26508.

It is an arithmetic number, because the mean of its divisors is an integer number (264820).

21430001 is an apocalyptic number.

It is an amenable number.

1430001 is a deficient number, since it is larger than the sum of its proper divisors (688559).

1430001 is an equidigital number, since it uses as much as digits as its factorization.

1430001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52972 (or 52966 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1430001 is about 1195.8264924311. The cubic root of 1430001 is about 112.6623433951.

Adding to 1430001 its reverse (1000341), we get a palindrome (2430342).

The spelling of 1430001 in words is "one million, four hundred thirty thousand, one".

Divisors: 1 3 9 27 52963 158889 476667 1430001