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200372071 = 1491344779
BaseRepresentation
bin10111111000101…
…10111101100111
3111222000221210211
423330112331213
5402243401241
631514400251
74652064064
oct1374267547
9458027724
10200372071
11a3117559
1257130087
1332687773
141c87bc6b
15128ce781
hexbf16f67

200372071 has 4 divisors (see below), whose sum is σ = 201717000. Its totient is φ = 199027144.

The previous prime is 200372069. The next prime is 200372077. The reversal of 200372071 is 170273002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 200372071 - 21 = 200372069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200372077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672241 + ... + 672538.

It is an arithmetic number, because the mean of its divisors is an integer number (50429250).

Almost surely, 2200372071 is an apocalyptic number.

200372071 is a deficient number, since it is larger than the sum of its proper divisors (1344929).

200372071 is a wasteful number, since it uses less digits than its factorization.

200372071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344928.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 200372071 is about 14155.2842076731. The cubic root of 200372071 is about 585.1659703917.

The spelling of 200372071 in words is "two hundred million, three hundred seventy-two thousand, seventy-one".

Divisors: 1 149 1344779 200372071