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142424610 = 2354747487
BaseRepresentation
bin10000111110100…
…11101000100010
3100220222220211120
420133103220202
5242430041420
622044353110
73346406046
oct1037235042
9326886746
10142424610
1173438799
123b845796
1323678b23
1414cb6026
15c784d40
hex87d3a22

142424610 has 16 divisors (see below), whose sum is σ = 341819136. Its totient is φ = 37979888.

The previous prime is 142424609. The next prime is 142424677. The reversal of 142424610 is 16424241.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 2373714 + ... + 2373773.

It is an arithmetic number, because the mean of its divisors is an integer number (21363696).

Almost surely, 2142424610 is an apocalyptic number.

142424610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142424610 is an abundant number, since it is smaller than the sum of its proper divisors (199394526).

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

142424610 is a wasteful number, since it uses less digits than its factorization.

142424610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747497.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 142424610 is about 11934.1782289356. The cubic root of 142424610 is about 522.2298352259.

Adding to 142424610 its reverse (16424241), we get a palindrome (158848851).

The spelling of 142424610 in words is "one hundred forty-two million, four hundred twenty-four thousand, six hundred ten".

Divisors: 1 2 3 5 6 10 15 30 4747487 9494974 14242461 23737435 28484922 47474870 71212305 142424610