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206669376 = 26325992
BaseRepresentation
bin11000101000110…
…00011001000000
3112101212220002100
430110120121000
5410401410001
632301350400
75056442424
oct1424303100
9471786070
10206669376
11a6728841
1259268400
1333a80b94
141d63ab84
1513225586
hexc518640

206669376 has 63 divisors (see below), whose sum is σ = 593371051. Its totient is φ = 68774784.

The previous prime is 206669371. The next prime is 206669413. The reversal of 206669376 is 673966602.

The square root of 206669376 is 14376.

It is a perfect power (a square), and thus also a powerful number.

206669376 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206669371) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 344725 + ... + 345323.

Almost surely, 2206669376 is an apocalyptic number.

206669376 is the 14376-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206669376

206669376 is an abundant number, since it is smaller than the sum of its proper divisors (386701675).

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

206669376 is an frugal number, since it uses more digits than its factorization.

206669376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 45.

The cubic root of 206669376 is about 591.2330584683.

The spelling of 206669376 in words is "two hundred six million, six hundred sixty-nine thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 599 1198 1797 2396 3594 4792 5391 7188 9584 10782 14376 19168 21564 28752 38336 43128 57504 86256 115008 172512 345024 358801 717602 1076403 1435204 2152806 2870408 3229209 4305612 5740816 6458418 8611224 11481632 12916836 17222448 22963264 25833672 34444896 51667344 68889792 103334688 206669376