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1431342536 = 231373188533
BaseRepresentation
bin101010101010000…
…1000110111001000
310200202022201211112
41111110020313020
510412410430121
6354010345452
750320132211
oct12524106710
93622281745
101431342536
11674a56918
1233b42b288
1319a703860
14d8150408
15859d675b
hex55508dc8

1431342536 has 32 divisors (see below), whose sum is σ = 2929818360. Its totient is φ = 651566592.

The previous prime is 1431342529. The next prime is 1431342541. The reversal of 1431342536 is 6352431341.

It can be written as a sum of positive squares in 4 ways, for example, as 1225420036 + 205922500 = 35006^2 + 14350^2 .

It is a super-2 number, since 2×14313425362 = 4097482910725822592, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86675 + ... + 101858.

Almost surely, 21431342536 is an apocalyptic number.

It is an amenable number.

1431342536 is an abundant number, since it is smaller than the sum of its proper divisors (1498475824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431342536 is a wasteful number, since it uses less digits than its factorization.

1431342536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188625 (or 188621 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 1431342536 is about 37833.0878464870. The cubic root of 1431342536 is about 1126.9756326569.

Adding to 1431342536 its reverse (6352431341), we get a palindrome (7783773877).

The spelling of 1431342536 in words is "one billion, four hundred thirty-one million, three hundred forty-two thousand, five hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 73 104 146 292 584 949 1898 3796 7592 188533 377066 754132 1508264 2450929 4901858 9803716 13762909 19607432 27525818 55051636 110103272 178917817 357835634 715671268 1431342536