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1431144342 = 23388729879
BaseRepresentation
bin101010101001101…
…1000011110010110
310200201221122222000
41111103120132112
510412333104332
6354002220130
750315345325
oct12523303626
93621848860
101431144342
11674930a21
1233b354646
1319a664594
14d80dc0bc
1585997b7c
hex554d8796

1431144342 has 32 divisors (see below), whose sum is σ = 3184012800. Its totient is φ = 476494344.

The previous prime is 1431144317. The next prime is 1431144397. The reversal of 1431144342 is 2434411341.

1431144342 is a `hidden beast` number, since 1 + 4 + 311 + 4 + 4 + 342 = 666.

It is a super-2 number, since 2×14311443422 = 4096348255277225928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32959 + ... + 62837.

It is an arithmetic number, because the mean of its divisors is an integer number (99500400).

Almost surely, 21431144342 is an apocalyptic number.

1431144342 is an abundant number, since it is smaller than the sum of its proper divisors (1752868458).

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

1431144342 is a wasteful number, since it uses less digits than its factorization.

1431144342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30777 (or 30771 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1431144342 is about 37830.4684348476. The cubic root of 1431144342 is about 1126.9236138673.

Adding to 1431144342 its reverse (2434411341), we get a palindrome (3865555683).

It can be divided in two parts, 143114 and 4342, that added together give a square (147456 = 3842).

The spelling of 1431144342 in words is "one billion, four hundred thirty-one million, one hundred forty-four thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 887 1774 2661 5322 7983 15966 23949 29879 47898 59758 89637 179274 268911 537822 806733 1613466 26502673 53005346 79508019 159016038 238524057 477048114 715572171 1431144342