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206663464 = 23723160453
BaseRepresentation
bin11000101000101…
…10111100101000
3112101212120222101
430110112330220
5410401212324
632301303144
75056416250
oct1424267450
9471776871
10206663464
11a6724357
1259264ab4
1333a7b297
141d638960
1513223944
hexc516f28

206663464 has 32 divisors (see below), whose sum is σ = 462107520. Its totient is φ = 84718656.

The previous prime is 206663459. The next prime is 206663467. The reversal of 206663464 is 464366602.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (206663467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78939 + ... + 81514.

It is an arithmetic number, because the mean of its divisors is an integer number (14440860).

Almost surely, 2206663464 is an apocalyptic number.

It is an amenable number.

206663464 is an abundant number, since it is smaller than the sum of its proper divisors (255444056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206663464 is a wasteful number, since it uses less digits than its factorization.

206663464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160489 (or 160485 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The square root of 206663464 is about 14375.7943780509. The cubic root of 206663464 is about 591.2274207952.

The spelling of 206663464 in words is "two hundred six million, six hundred sixty-three thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 23 28 46 56 92 161 184 322 644 1288 160453 320906 641812 1123171 1283624 2246342 3690419 4492684 7380838 8985368 14761676 25832933 29523352 51665866 103331732 206663464