Search a number
-
+
142600320 = 27325191303
BaseRepresentation
bin10000111111111…
…10100010000000
3100221022211212100
420133332202000
5243001202240
622052230400
73351040242
oct1037764200
9327284770
10142600320
1173548805
123b90b400
132370aab5
1414d20092
15c7bbe30
hex87fe880

142600320 has 192 divisors, whose sum is σ = 518731200. Its totient is φ = 35997696.

The previous prime is 142600319. The next prime is 142600327. The reversal of 142600320 is 23006241.

It is a happy number.

142600320 is a `hidden beast` number, since 1 + 42 + 600 + 3 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142600293 and 142600302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142600327) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 108789 + ... + 110091.

It is an arithmetic number, because the mean of its divisors is an integer number (2701725).

Almost surely, 2142600320 is an apocalyptic number.

142600320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142600320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259365600).

142600320 is an abundant number, since it is smaller than the sum of its proper divisors (376130880).

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

142600320 is a wasteful number, since it uses less digits than its factorization.

142600320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 142600320 is about 11941.5375894396. The cubic root of 142600320 is about 522.4445062130. Note that the first 3 decimals are identical.

Adding to 142600320 its reverse (23006241), we get a palindrome (165606561).

The spelling of 142600320 in words is "one hundred forty-two million, six hundred thousand, three hundred twenty".