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206152460 = 22512298387
BaseRepresentation
bin11000100100110…
…10001100001100
3112100220122000022
430102122030030
5410233334320
632242321312
75052160403
oct1422321414
9470818008
10206152460
11a6405438
1259059238
133392c807
141d54463a
1513172325
hexc49a30c

206152460 has 24 divisors (see below), whose sum is σ = 433324080. Its totient is φ = 82384064.

The previous prime is 206152433. The next prime is 206152477. The reversal of 206152460 is 64251602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20387 + ... + 28773.

It is an arithmetic number, because the mean of its divisors is an integer number (18055170).

Almost surely, 2206152460 is an apocalyptic number.

206152460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206152460 is an abundant number, since it is smaller than the sum of its proper divisors (227171620).

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

206152460 is a wasteful number, since it uses less digits than its factorization.

206152460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9625 (or 9623 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 206152460 is about 14358.0103078386. The cubic root of 206152460 is about 590.7397214142.

The spelling of 206152460 in words is "two hundred six million, one hundred fifty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 1229 2458 4916 6145 8387 12290 16774 24580 33548 41935 83870 167740 10307623 20615246 41230492 51538115 103076230 206152460