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142848650 = 25271921481
BaseRepresentation
bin10001000001110…
…11001010001010
3100221210110111202
420200323022022
5243032124100
622101424202
73353123240
oct1040731212
9327713452
10142848650
11736a833a
123ba0b062
1323796b39
1414d86790
15c81a7d5
hex883b28a

142848650 has 48 divisors (see below), whose sum is σ = 319652160. Its totient is φ = 46396800.

The previous prime is 142848619. The next prime is 142848661. The reversal of 142848650 is 56848241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4091 + ... + 17390.

It is an arithmetic number, because the mean of its divisors is an integer number (6659420).

Almost surely, 2142848650 is an apocalyptic number.

142848650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142848650 is an abundant number, since it is smaller than the sum of its proper divisors (176803510).

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

142848650 is a wasteful number, since it uses less digits than its factorization.

142848650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21519 (or 21514 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 142848650 is about 11951.9308063593. The cubic root of 142848650 is about 522.7475990492.

The spelling of 142848650 in words is "one hundred forty-two million, eight hundred forty-eight thousand, six hundred fifty".

Divisors: 1 2 5 7 10 14 19 25 35 38 50 70 95 133 175 190 266 350 475 665 950 1330 3325 6650 21481 42962 107405 150367 214810 300734 408139 537025 751835 816278 1074050 1503670 2040695 2856973 3759175 4081390 5713946 7518350 10203475 14284865 20406950 28569730 71424325 142848650