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1425502516 = 221168130509
BaseRepresentation
bin101010011110111…
…0111000100110100
310200100100000211111
41110331313010310
510404412040031
6353241244404
750216400004
oct12475670464
93610300744
101425502516
11671728159
12339493704
1319943a619
14d7470004
15852311b1
hex54f77134

1425502516 has 12 divisors (see below), whose sum is σ = 2494924740. Its totient is φ = 712666880.

The previous prime is 1425502489. The next prime is 1425502523. The reversal of 1425502516 is 6152055241.

It can be written as a sum of positive squares in 2 ways, for example, as 224880016 + 1200622500 = 14996^2 + 34650^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31470 + ... + 61978.

It is an arithmetic number, because the mean of its divisors is an integer number (207910395).

Almost surely, 21425502516 is an apocalyptic number.

It is an amenable number.

1425502516 is a deficient number, since it is larger than the sum of its proper divisors (1069422224).

1425502516 is a wasteful number, since it uses less digits than its factorization.

1425502516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42194 (or 42192 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1425502516 is about 37755.8275766801. The cubic root of 1425502516 is about 1125.4408191155.

Adding to 1425502516 its reverse (6152055241), we get a palindrome (7577557757).

The spelling of 1425502516 in words is "one billion, four hundred twenty-five million, five hundred two thousand, five hundred sixteen".

Divisors: 1 2 4 11681 23362 30509 46724 61018 122036 356375629 712751258 1425502516