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142313501 = 1141315551
BaseRepresentation
bin10000111101110…
…00100000011101
3100220210021102102
420132320200131
5242413013001
622042134445
73345434111
oct1036704035
9326707372
10142313501
1173372270
123b7b1425
132363a395
1414c87741
15c761e6b
hex87b881d

142313501 has 8 divisors (see below), whose sum is σ = 159038208. Its totient is φ = 126220000.

The previous prime is 142313497. The next prime is 142313503. The reversal of 142313501 is 105313241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142313501 - 22 = 142313497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142313503) 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 7 ways as a sum of consecutive naturals, for example, 157325 + ... + 158226.

It is an arithmetic number, because the mean of its divisors is an integer number (19879776).

Almost surely, 2142313501 is an apocalyptic number.

142313501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

142313501 is a deficient number, since it is larger than the sum of its proper divisors (16724707).

142313501 is a wasteful number, since it uses less digits than its factorization.

142313501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315603.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 142313501 is about 11929.5222452536. The cubic root of 142313501 is about 522.0939983785.

Adding to 142313501 its reverse (105313241), we get a palindrome (247626742).

The spelling of 142313501 in words is "one hundred forty-two million, three hundred thirteen thousand, five hundred one".

Divisors: 1 11 41 451 315551 3471061 12937591 142313501