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1424540551 = 71731386159
BaseRepresentation
bin101010011101000…
…1100001110000111
310200021112011021011
41110322030032013
510404140244201
6353204503051
750205252310
oct12472141607
93607464234
101424540551
11671130445
123390aaa87
13199191805
14d729d607
15850e1151
hex54e8c387

1424540551 has 16 divisors (see below), whose sum is σ = 1779425280. Its totient is φ = 1112135040.

The previous prime is 1424540501. The next prime is 1424540563. The reversal of 1424540551 is 1550454241.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1424540551 - 27 = 1424540423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424540501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189391 + ... + 196768.

It is an arithmetic number, because the mean of its divisors is an integer number (111214080).

Almost surely, 21424540551 is an apocalyptic number.

1424540551 is a deficient number, since it is larger than the sum of its proper divisors (354884729).

1424540551 is a wasteful number, since it uses less digits than its factorization.

1424540551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386214.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 1424540551 is about 37743.0861350791. The cubic root of 1424540551 is about 1125.1876035450.

Adding to 1424540551 its reverse (1550454241), we get a palindrome (2974994792).

The spelling of 1424540551 in words is "one billion, four hundred twenty-four million, five hundred forty thousand, five hundred fifty-one".

Divisors: 1 7 17 31 119 217 527 3689 386159 2703113 6564703 11970929 45952921 83796503 203505793 1424540551