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1423042751 = 13442324749
BaseRepresentation
bin101010011010001…
…1110100010111111
310200011201001200002
41110310132202333
510403244332001
6353112424515
750156443454
oct12464364277
93604631602
101423042751
116702a8099
123386a813b
13198a88b40
14d6dcd82b
1584de746b
hex54d1e8bf

1423042751 has 8 divisors (see below), whose sum is σ = 1532916000. Its totient is φ = 1313227872.

The previous prime is 1423042727. The next prime is 1423042757. The reversal of 1423042751 is 1572403241.

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

It is a cyclic number.

It is not a de Polignac number, because 1423042751 - 218 = 1422780607 is a prime.

It is a super-3 number, since 3×14230427513 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423042757) 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, 45125 + ... + 69873.

It is an arithmetic number, because the mean of its divisors is an integer number (191614500).

Almost surely, 21423042751 is an apocalyptic number.

1423042751 is a deficient number, since it is larger than the sum of its proper divisors (109873249).

1423042751 is a wasteful number, since it uses less digits than its factorization.

1423042751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29185.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1423042751 is about 37723.2388720799. The cubic root of 1423042751 is about 1124.7931144832.

Adding to 1423042751 its reverse (1572403241), we get a palindrome (2995445992).

The spelling of 1423042751 in words is "one billion, four hundred twenty-three million, forty-two thousand, seven hundred fifty-one".

Divisors: 1 13 4423 24749 57499 321737 109464827 1423042751