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1430066889 = 321391935923
BaseRepresentation
bin101010100111101…
…0001011011001001
310200122220220222100
41111033101123021
510412044120024
6353523144013
750303240136
oct12517213311
93618826870
101430066889
11674265469
1233ab15009
1319a378034
14d7cdb58d
15858337c9
hex553d16c9

1430066889 has 24 divisors (see below), whose sum is σ = 2091645920. Its totient is φ = 941455872.

The previous prime is 1430066887. The next prime is 1430066899. The reversal of 1430066889 is 9886600341.

It is not a de Polignac number, because 1430066889 - 21 = 1430066887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1430066881) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238482 + ... + 244404.

Almost surely, 21430066889 is an apocalyptic number.

It is an amenable number.

1430066889 is a deficient number, since it is larger than the sum of its proper divisors (661579031).

1430066889 is a wasteful number, since it uses less digits than its factorization.

1430066889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6261 (or 6258 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 1430066889 is about 37816.2252082357. The cubic root of 1430066889 is about 1126.6407371906.

The spelling of 1430066889 in words is "one billion, four hundred thirty million, sixty-six thousand, eight hundred eighty-nine".

Divisors: 1 3 9 139 193 417 579 1251 1737 5923 17769 26827 53307 80481 241443 823297 1143139 2469891 3429417 7409673 10288251 158896321 476688963 1430066889