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8132340400 = 245220330851
BaseRepresentation
bin1111001001011100…
…11010101010110000
3202222202102200210121
413210232122222300
5113123334343100
63422544140024
7405345516142
oct74456325260
922882380717
108132340400
1134a3548788
1216ab607614
139c7a9ac52
145720b6c92
15328e3c51a
hex1e4b9aab0

8132340400 has 30 divisors (see below), whose sum is σ = 19537948772. Its totient is φ = 3252936000.

The previous prime is 8132340397. The next prime is 8132340407. The reversal of 8132340400 is 40432318.

It is a super-2 number, since 2×81323404002 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (8132340407) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 10165026 + ... + 10165825.

Almost surely, 28132340400 is an apocalyptic number.

8132340400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8132340400 is an abundant number, since it is smaller than the sum of its proper divisors (11405608372).

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

8132340400 is a wasteful number, since it uses less digits than its factorization.

8132340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20330869 (or 20330858 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8132340400 is about 90179.4899076281. The cubic root of 8132340400 is about 2010.9681070261.

Adding to 8132340400 its reverse (40432318), we get a palindrome (8172772718).

The spelling of 8132340400 in words is "eight billion, one hundred thirty-two million, three hundred forty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 20330851 40661702 81323404 101654255 162646808 203308510 325293616 406617020 508271275 813234040 1016542550 1626468080 2033085100 4066170200 8132340400