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1420132340 = 2251154711801
BaseRepresentation
bin101010010100101…
…0111111111110100
310122222020012100002
41110221113333310
510402023213330
6352530210432
750122632344
oct12451277764
93588205302
101420132340
1166969a4a0
12337723a18
131982aa1c3
14d6872d24
1584a1ee45
hex54a57ff4

1420132340 has 48 divisors (see below), whose sum is σ = 3259617984. Its totient is φ = 515424000.

The previous prime is 1420132321. The next prime is 1420132367. The reversal of 1420132340 is 432310241.

It is a super-2 number, since 2×14201323402 = 4033551726227751200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114440 + ... + 126240.

It is an arithmetic number, because the mean of its divisors is an integer number (67908708).

Almost surely, 21420132340 is an apocalyptic number.

1420132340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420132340 is an abundant number, since it is smaller than the sum of its proper divisors (1839485644).

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

1420132340 is a wasteful number, since it uses less digits than its factorization.

1420132340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12368 (or 12366 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1420132340 is about 37684.6432913992. The cubic root of 1420132340 is about 1124.0257811237.

Adding to 1420132340 its reverse (432310241), we get a palindrome (1852442581).

The spelling of 1420132340 in words is "one billion, four hundred twenty million, one hundred thirty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 547 1094 2188 2735 5470 6017 10940 11801 12034 23602 24068 30085 47204 59005 60170 118010 120340 129811 236020 259622 519244 649055 1298110 2596220 6455147 12910294 25820588 32275735 64551470 71006617 129102940 142013234 284026468 355033085 710066170 1420132340