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142434200 = 2352712171
BaseRepresentation
bin10000111110101…
…01111110011000
3100221000101222202
420133111332120
5242430343300
622044505332
73346446026
oct1037257630
9327011882
10142434200
1173444a17
123b84b248
13236802bc
1414cb9716
15c787ad5
hex87d5f98

142434200 has 24 divisors (see below), whose sum is σ = 331159980. Its totient is φ = 56973600.

The previous prime is 142434199. The next prime is 142434209. The reversal of 142434200 is 2434241.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142434209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355886 + ... + 356285.

Almost surely, 2142434200 is an apocalyptic number.

142434200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142434200 is an abundant number, since it is smaller than the sum of its proper divisors (188725780).

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

142434200 is a wasteful number, since it uses less digits than its factorization.

142434200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712187 (or 712178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142434200 is about 11934.5800093677. The cubic root of 142434200 is about 522.2415562146.

Adding to 142434200 its reverse (2434241), we get a palindrome (144868441).

The spelling of 142434200 in words is "one hundred forty-two million, four hundred thirty-four thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 712171 1424342 2848684 3560855 5697368 7121710 14243420 17804275 28486840 35608550 71217100 142434200