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200415081 = 3143346619
BaseRepresentation
bin10111111001000…
…01011101101001
3111222010010210210
423330201131221
5402301240311
631515331333
74652333346
oct1374413551
9458103723
10200415081
11a31468a9
1257150b49
13326a1209
141c88d7cd
15128dc3a6
hexbf21769

200415081 has 8 divisors (see below), whose sum is σ = 267412320. Its totient is φ = 133513952.

The previous prime is 200415049. The next prime is 200415109. The reversal of 200415081 is 180514002.

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 200415081 - 25 = 200415049 is a prime.

It is a super-2 number, since 2×2004150812 = 80332409384473122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200415001) 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, 19011 + ... + 27608.

It is an arithmetic number, because the mean of its divisors is an integer number (33426540).

Almost surely, 2200415081 is an apocalyptic number.

It is an amenable number.

200415081 is a deficient number, since it is larger than the sum of its proper divisors (66997239).

200415081 is a wasteful number, since it uses less digits than its factorization.

200415081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48055.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 200415081 is about 14156.8033468011. The cubic root of 200415081 is about 585.2078361529.

Adding to 200415081 its reverse (180514002), we get a palindrome (380929083).

The spelling of 200415081 in words is "two hundred million, four hundred fifteen thousand, eighty-one".

Divisors: 1 3 1433 4299 46619 139857 66805027 200415081