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205131334 = 21931717029
BaseRepresentation
bin11000011101000…
…00111001000110
3112021222202021211
430032200321012
5410003200314
632204402034
75040405352
oct1416407106
9467882254
10205131334
11a5878231
125884631a
1333662ab5
141d35a462
151301e9c4
hexc3a0e46

205131334 has 16 divisors (see below), whose sum is σ = 324932400. Its totient is φ = 96855264.

The previous prime is 205131331. The next prime is 205131341. The reversal of 205131334 is 433131502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205131331) 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, 3532 + ... + 20560.

It is an arithmetic number, because the mean of its divisors is an integer number (20308275).

Almost surely, 2205131334 is an apocalyptic number.

205131334 is a deficient number, since it is larger than the sum of its proper divisors (119801066).

205131334 is a wasteful number, since it uses less digits than its factorization.

205131334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17367.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 205131334 is about 14322.4067111642. The cubic root of 205131334 is about 589.7627447860.

Adding to 205131334 its reverse (433131502), we get a palindrome (638262836).

The spelling of 205131334 in words is "two hundred five million, one hundred thirty-one thousand, three hundred thirty-four".

Divisors: 1 2 19 38 317 634 6023 12046 17029 34058 323551 647102 5398193 10796386 102565667 205131334