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200719142 = 2137719967
BaseRepresentation
bin10111111011010…
…11101100100110
3111222200120220022
423331223230212
5402341003032
631530035142
74655041001
oct1375535446
9458616808
10200719142
11a3334298
1257278ab2
1332779730
141c92c538
151294c512
hexbf6bb26

200719142 has 8 divisors (see below), whose sum is σ = 324238656. Its totient is φ = 92639592.

The previous prime is 200719081. The next prime is 200719147. The reversal of 200719142 is 241917002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 7719967 = 200719142 / (2 + 0 + 0 + 7 + 1 + 9 + 1 + 4 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200719147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3859958 + ... + 3860009.

It is an arithmetic number, because the mean of its divisors is an integer number (40529832).

Almost surely, 2200719142 is an apocalyptic number.

200719142 is a deficient number, since it is larger than the sum of its proper divisors (123519514).

200719142 is a wasteful number, since it uses less digits than its factorization.

200719142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719982.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 200719142 is about 14167.5383182824. The cubic root of 200719142 is about 585.5036371936.

The spelling of 200719142 in words is "two hundred million, seven hundred nineteen thousand, one hundred forty-two".

Divisors: 1 2 13 26 7719967 15439934 100359571 200719142