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1442432434 = 2898103553
BaseRepresentation
bin101010111111001…
…1100010110110010
310201112012011022111
41111332130112302
510423230314214
6355044155534
750513321242
oct12576342662
93645164274
101442432434
11680240923
12343098baa
1319cab7521
14d97d9b22
15869775c4
hex55f9c5b2

1442432434 has 8 divisors (see below), whose sum is σ = 2187959580. Its totient is φ = 713112576.

The previous prime is 1442432429. The next prime is 1442432489. The reversal of 1442432434 is 4342342441.

It can be written as a sum of positive squares in 2 ways, for example, as 1440430209 + 2002225 = 37953^2 + 1415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×14424324342 = 4161222653310328712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1442432396 and 1442432405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051599 + ... + 4051954.

Almost surely, 21442432434 is an apocalyptic number.

1442432434 is a deficient number, since it is larger than the sum of its proper divisors (745527146).

1442432434 is an equidigital number, since it uses as much as digits as its factorization.

1442432434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8103644.

The product of its digits is 36864, while the sum is 31.

The square root of 1442432434 is about 37979.3685308221. The cubic root of 1442432434 is about 1129.8787125415.

Adding to 1442432434 its reverse (4342342441), we get a palindrome (5784774875).

The spelling of 1442432434 in words is "one billion, four hundred forty-two million, four hundred thirty-two thousand, four hundred thirty-four".

Divisors: 1 2 89 178 8103553 16207106 721216217 1442432434