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142719612 = 22371699043
BaseRepresentation
bin10001000000110…
…11101001111100
3100221112220111120
420200123221330
5243014011422
622054550540
73352045110
oct1040335174
9327486446
10142719612
117361a3a2
123b968450
1323750199
1414d51740
15c7e245c
hex881ba7c

142719612 has 24 divisors (see below), whose sum is σ = 380585856. Its totient is φ = 40777008.

The previous prime is 142719611. The next prime is 142719631. The reversal of 142719612 is 216917241.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142719611) 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, 849438 + ... + 849605.

It is an arithmetic number, because the mean of its divisors is an integer number (15857744).

Almost surely, 2142719612 is an apocalyptic number.

142719612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142719612 is an abundant number, since it is smaller than the sum of its proper divisors (237866244).

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

142719612 is a wasteful number, since it uses less digits than its factorization.

142719612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699057 (or 1699055 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 142719612 is about 11946.5313794423. The cubic root of 142719612 is about 522.5901488952.

The spelling of 142719612 in words is "one hundred forty-two million, seven hundred nineteen thousand, six hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1699043 3398086 5097129 6796172 10194258 11893301 20388516 23786602 35679903 47573204 71359806 142719612