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1430993 is a prime number
BaseRepresentation
bin101011101010111010001
32200200221202
411131113101
5331242433
650400545
715106664
oct5352721
92620852
101430993
11898143
12590155
133b1455
142936db
151d3ee8
hex15d5d1

1430993 has 2 divisors, whose sum is σ = 1430994. Its totient is φ = 1430992.

The previous prime is 1430987. The next prime is 1431007. The reversal of 1430993 is 3990341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423249 + 7744 = 1193^2 + 88^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430993 - 210 = 1429969 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1430903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715496 + 715497.

It is an arithmetic number, because the mean of its divisors is an integer number (715497).

21430993 is an apocalyptic number.

It is an amenable number.

1430993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1430993 is an equidigital number, since it uses as much as digits as its factorization.

1430993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 1430993 is about 1196.2411964148. The cubic root of 1430993 is about 112.6883888807.

The spelling of 1430993 in words is "one million, four hundred thirty thousand, nine hundred ninety-three".