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1430897 = 13110069
BaseRepresentation
bin101011101010101110001
32200200211012
411131111301
5331242042
650400305
715106466
oct5352561
92620735
101430897
11898066
12590095
133b13b0
1429366d
151d3e82
hex15d571

1430897 has 4 divisors (see below), whose sum is σ = 1540980. Its totient is φ = 1320816.

The previous prime is 1430887. The next prime is 1430903. The reversal of 1430897 is 7980341.

1430897 is nontrivially palindromic in base 12.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 516961 + 913936 = 719^2 + 956^2 .

It is a cyclic number.

It is not a de Polignac number, because 1430897 - 24 = 1430881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55022 + ... + 55047.

It is an arithmetic number, because the mean of its divisors is an integer number (385245).

21430897 is an apocalyptic number.

It is an amenable number.

1430897 is a deficient number, since it is larger than the sum of its proper divisors (110083).

1430897 is a wasteful number, since it uses less digits than its factorization.

1430897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110082.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1430897 is about 1196.2010700547. The cubic root of 1430897 is about 112.6858688760.

The spelling of 1430897 in words is "one million, four hundred thirty thousand, eight hundred ninety-seven".

Divisors: 1 13 110069 1430897