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200692973 = 1317908113
BaseRepresentation
bin10111111011001…
…01010011101101
3111222122021000002
423331211103231
5402334133343
631525314045
74654601465
oct1375452355
9458567002
10200692973
11a3316668
1257265925
133276a850
141c922ba5
15129448b8
hexbf654ed

200692973 has 8 divisors (see below), whose sum is σ = 228844728. Its totient is φ = 174357504.

The previous prime is 200692969. The next prime is 200692979. The reversal of 200692973 is 379296002.

It can be written as a sum of positive squares in 4 ways, for example, as 70778569 + 129914404 = 8413^2 + 11398^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200692973 - 22 = 200692969 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 (200692979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453836 + ... + 454277.

It is an arithmetic number, because the mean of its divisors is an integer number (28605591).

Almost surely, 2200692973 is an apocalyptic number.

It is an amenable number.

200692973 is a deficient number, since it is larger than the sum of its proper divisors (28151755).

200692973 is a wasteful number, since it uses less digits than its factorization.

200692973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908143.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 200692973 is about 14166.6147332381. The cubic root of 200692973 is about 585.4781908403.

It can be divided in two parts, 2006929 and 73, that added together give a palindrome (2007002).

The spelling of 200692973 in words is "two hundred million, six hundred ninety-two thousand, nine hundred seventy-three".

Divisors: 1 13 17 221 908113 11805469 15437921 200692973