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142628850 = 2365271343
BaseRepresentation
bin10001000000001…
…01011111110010
3100221101022000000
420200011133302
5243003110400
622053010430
73351216360
oct1040053762
9327338000
10142628850
1173568191
123b923a16
132371aa90
1414d2a630
15c7c5600
hex88057f2

142628850 has 336 divisors, whose sum is σ = 500926272. Its totient is φ = 29393280.

The previous prime is 142628833. The next prime is 142628869. The reversal of 142628850 is 58826241.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 3316929 + ... + 3316971.

It is an arithmetic number, because the mean of its divisors is an integer number (1490852).

Almost surely, 2142628850 is an apocalyptic number.

142628850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 142628850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250463136).

142628850 is an abundant number, since it is smaller than the sum of its proper divisors (358297422).

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

142628850 is a wasteful number, since it uses less digits than its factorization.

142628850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 142628850 is about 11942.7320994821. The cubic root of 142628850 is about 522.4793456576.

It can be divided in two parts, 1426 and 28850, that added together give a square (30276 = 1742).

The spelling of 142628850 in words is "one hundred forty-two million, six hundred twenty-eight thousand, eight hundred fifty".