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142310344 = 23114139443
BaseRepresentation
bin10000111101101…
…11101111001000
3100220210010002111
420132313233020
5242412412334
622042112104
73345421651
oct1036675710
9326703074
10142310344
117336a960
123b7ab634
1323638b07
1414c86528
15c761064
hex87b7bc8

142310344 has 32 divisors (see below), whose sum is σ = 298196640. Its totient is φ = 63107200.

The previous prime is 142310339. The next prime is 142310351. The reversal of 142310344 is 443013241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16114 + ... + 23329.

It is an arithmetic number, because the mean of its divisors is an integer number (9318645).

Almost surely, 2142310344 is an apocalyptic number.

It is an amenable number.

142310344 is an abundant number, since it is smaller than the sum of its proper divisors (155886296).

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

142310344 is a wasteful number, since it uses less digits than its factorization.

142310344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39501 (or 39497 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142310344 is about 11929.3899257255. The cubic root of 142310344 is about 522.0901377400.

Adding to 142310344 its reverse (443013241), we get a palindrome (585323585).

The spelling of 142310344 in words is "one hundred forty-two million, three hundred ten thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 22 41 44 82 88 164 328 451 902 1804 3608 39443 78886 157772 315544 433873 867746 1617163 1735492 3234326 3470984 6468652 12937304 17788793 35577586 71155172 142310344