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1442202423 = 31393458519
BaseRepresentation
bin101010111110110…
…0100001100110111
310201111202110210120
41111331210030313
510423200434143
6355035223023
750511342534
oct12575441467
93644673716
101442202423
116800a4032
12342ba7a73
1319ca3691c
14d9779d8b
158692e383
hex55f64337

1442202423 has 8 divisors (see below), whose sum is σ = 1936771200. Its totient is φ = 954550968.

The previous prime is 1442202407. The next prime is 1442202427. The reversal of 1442202423 is 3242022441.

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

It is not a de Polignac number, because 1442202423 - 24 = 1442202407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442202393 and 1442202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442202427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1728843 + ... + 1729676.

It is an arithmetic number, because the mean of its divisors is an integer number (242096400).

Almost surely, 21442202423 is an apocalyptic number.

1442202423 is a deficient number, since it is larger than the sum of its proper divisors (494568777).

1442202423 is a wasteful number, since it uses less digits than its factorization.

1442202423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458661.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1442202423 is about 37976.3403055113. The cubic root of 1442202423 is about 1129.8186523401.

Adding to 1442202423 its reverse (3242022441), we get a palindrome (4684224864).

The spelling of 1442202423 in words is "one billion, four hundred forty-two million, two hundred two thousand, four hundred twenty-three".

Divisors: 1 3 139 417 3458519 10375557 480734141 1442202423