Search a number
-
+
1430434142 = 2715217071
BaseRepresentation
bin101010101000010…
…1011000101011110
310200200121120202022
41111100223011132
510412142343032
6353535100142
750306326634
oct12520530536
93620546668
101430434142
11674496385
1233b071652
1319a476247
14d7d95354
15858a7512
hex5542b15e

1430434142 has 4 divisors (see below), whose sum is σ = 2145651216. Its totient is φ = 715217070.

The previous prime is 1430434099. The next prime is 1430434151. The reversal of 1430434142 is 2414340341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2414340341 = 7344905763.

It is a super-2 number, since 2×14304341422 = 4092283669198552328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357608534 + ... + 357608537.

It is an arithmetic number, because the mean of its divisors is an integer number (536412804).

Almost surely, 21430434142 is an apocalyptic number.

1430434142 is a deficient number, since it is larger than the sum of its proper divisors (715217074).

1430434142 is an equidigital number, since it uses as much as digits as its factorization.

1430434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715217073.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1430434142 is about 37821.0806561632. The cubic root of 1430434142 is about 1126.7371724878.

Adding to 1430434142 its reverse (2414340341), we get a palindrome (3844774483).

The spelling of 1430434142 in words is "one billion, four hundred thirty million, four hundred thirty-four thousand, one hundred forty-two".

Divisors: 1 2 715217071 1430434142