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200820147 = 31112747917
BaseRepresentation
bin10111111100001…
…00010110110011
3111222212201110020
423332010112303
5402402221042
631532134523
74655641323
oct1376042663
9458781406
10200820147
11a33a3170
1257307443
13327b36b8
141c957283
151296c3ec
hexbf845b3

200820147 has 16 divisors (see below), whose sum is σ = 294408192. Its totient is φ = 120748320.

The previous prime is 200820131. The next prime is 200820161. The reversal of 200820147 is 741028002.

It is not a de Polignac number, because 200820147 - 24 = 200820131 is a prime.

It is a super-2 number, since 2×2008201472 = 80657462882203218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200820187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19768 + ... + 28149.

It is an arithmetic number, because the mean of its divisors is an integer number (18400512).

Almost surely, 2200820147 is an apocalyptic number.

200820147 is a deficient number, since it is larger than the sum of its proper divisors (93588045).

200820147 is a wasteful number, since it uses less digits than its factorization.

200820147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48058.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 200820147 is about 14171.1025329718. The cubic root of 200820147 is about 585.6018322424.

Adding to 200820147 its reverse (741028002), we get a palindrome (941848149).

It can be divided in two parts, 2008 and 20147, that added together give a triangular number (22155 = T210).

The spelling of 200820147 in words is "two hundred million, eight hundred twenty thousand, one hundred forty-seven".

Divisors: 1 3 11 33 127 381 1397 4191 47917 143751 527087 1581261 6085459 18256377 66940049 200820147