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1430031199 = 2815089079
BaseRepresentation
bin101010100111100…
…1000101101011111
310200122212010000111
41111033020231133
510412041444244
6353522310451
750303031112
oct12517105537
93618763014
101430031199
11674240673
1233aab8427
1319a364a0c
14d7ccc579
1585827e34
hex553c8b5f

1430031199 has 4 divisors (see below), whose sum is σ = 1435120560. Its totient is φ = 1424941840.

The previous prime is 1430031191. The next prime is 1430031247. The reversal of 1430031199 is 9911300341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9911300341 = 13971304319.

It is a cyclic number.

It is not a de Polignac number, because 1430031199 - 23 = 1430031191 is a prime.

It is a super-2 number, since 2×14300311992 = 4089978460226755202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1430031199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1430031191) 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, 2544259 + ... + 2544820.

It is an arithmetic number, because the mean of its divisors is an integer number (358780140).

Almost surely, 21430031199 is an apocalyptic number.

1430031199 is a deficient number, since it is larger than the sum of its proper divisors (5089361).

1430031199 is an equidigital number, since it uses as much as digits as its factorization.

1430031199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089360.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 1430031199 is about 37815.7533178965. The cubic root of 1430031199 is about 1126.6313646354.

The spelling of 1430031199 in words is "one billion, four hundred thirty million, thirty-one thousand, one hundred ninety-nine".

Divisors: 1 281 5089079 1430031199