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208948205424 = 24371021609079
BaseRepresentation
bin1100001010011001001…
…0001001011101110000
3201222022221220121201010
43002212102021131300
511410411220033144
6235553421110520
721044634304320
oct3024622113560
9658287817633
10208948205424
11806838a63a2
12345b43b8440
131691c13629a
14a182693280
15567dd1e5b9
hex30a6489770

208948205424 has 80 divisors (see below), whose sum is σ = 617499921920. Its totient is φ = 59640917760.

The previous prime is 208948205407. The next prime is 208948205443. The reversal of 208948205424 is 424502849802.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38517 + ... + 647595.

It is an arithmetic number, because the mean of its divisors is an integer number (7718749024).

Almost surely, 2208948205424 is an apocalyptic number.

208948205424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

208948205424 is an abundant number, since it is smaller than the sum of its proper divisors (408551716496).

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

208948205424 is a wasteful number, since it uses less digits than its factorization.

208948205424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610118 (or 610112 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 208948205424 in words is "two hundred eight billion, nine hundred forty-eight million, two hundred five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 1021 2042 3063 4084 6126 7147 8168 12252 14294 16336 21441 24504 28588 42882 49008 57176 85764 114352 171528 343056 609079 1218158 1827237 2436316 3654474 4263553 4872632 7308948 8527106 9745264 12790659 14617896 17054212 25581318 29235792 34108424 51162636 68216848 102325272 204650544 621869659 1243739318 1865608977 2487478636 3731217954 4353087613 4974957272 7462435908 8706175226 9949914544 13059262839 14924871816 17412350452 26118525678 29849743632 34824700904 52237051356 69649401808 104474102712 208948205424