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142224462 = 23219415861
BaseRepresentation
bin10000111101000…
…10110001001110
3100220121202021200
420132202301032
5242402140322
622040210330
73344613402
oct1036426116
9326552250
10142224462
1173311386
123b7699a6
13236089b3
1414c63102
15c7458ac
hex87a2c4e

142224462 has 24 divisors (see below), whose sum is σ = 324372360. Its totient is φ = 44912880.

The previous prime is 142224461. The next prime is 142224503. The reversal of 142224462 is 264422241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142224461) 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 11 ways as a sum of consecutive naturals, for example, 207589 + ... + 208272.

It is an arithmetic number, because the mean of its divisors is an integer number (13515515).

Almost surely, 2142224462 is an apocalyptic number.

142224462 is an abundant number, since it is smaller than the sum of its proper divisors (182147898).

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

142224462 is a wasteful number, since it uses less digits than its factorization.

142224462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415888 (or 415885 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 142224462 is about 11925.7897851673. The cubic root of 142224462 is about 521.9850922769.

The spelling of 142224462 in words is "one hundred forty-two million, two hundred twenty-four thousand, four hundred sixty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 415861 831722 1247583 2495166 3742749 7485498 7901359 15802718 23704077 47408154 71112231 142224462