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1442144434 = 25980915107
BaseRepresentation
bin101010111110101…
…0110000010110010
310201111122112020211
41111331112002302
510423142110214
6355034054334
750511011503
oct12575260262
93644575224
101442144434
11680064505
12342b7a3aa
1319ca16403
14d9762baa
158691c0c4
hex55f560b2

1442144434 has 16 divisors (see below), whose sum is σ = 2202746400. Its totient is φ = 707927584.

The previous prime is 1442144411. The next prime is 1442144453. The reversal of 1442144434 is 4344412441.

It is a junction number, because it is equal to n+sod(n) for n = 1442144396 and 1442144405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87909 + ... + 103015.

It is an arithmetic number, because the mean of its divisors is an integer number (137671650).

Almost surely, 21442144434 is an apocalyptic number.

1442144434 is a deficient number, since it is larger than the sum of its proper divisors (760601966).

1442144434 is a wasteful number, since it uses less digits than its factorization.

1442144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15977.

The product of its digits is 24576, while the sum is 31.

The square root of 1442144434 is about 37975.5768093126. The cubic root of 1442144434 is about 1129.8035093128.

Adding to 1442144434 its reverse (4344412441), we get a palindrome (5786556875).

The spelling of 1442144434 in words is "one billion, four hundred forty-two million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 59 118 809 1618 15107 30214 47731 95462 891313 1782626 12221563 24443126 721072217 1442144434