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272378990 = 25132413931
BaseRepresentation
bin10000001111000…
…010110001101110
3200222112021201202
4100033002301232
51024212111430
643010005502
76515116562
oct2017026156
9628467652
10272378990
1112a829404
1277276892
1344579900
14282636a2
1518da4d45
hex103c2c6e

272378990 has 48 divisors (see below), whose sum is σ = 543984336. Its totient is φ = 98092800.

The previous prime is 272378971. The next prime is 272379011. The reversal of 272378990 is 99873272.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 67325 + ... + 71255.

It is an arithmetic number, because the mean of its divisors is an integer number (11333007).

Almost surely, 2272378990 is an apocalyptic number.

272378990 is a deficient number, since it is larger than the sum of its proper divisors (271605346).

272378990 is a wasteful number, since it uses less digits than its factorization.

272378990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4005 (or 3992 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 272378990 is about 16503.9083249999. The cubic root of 272378990 is about 648.2231471861.

The spelling of 272378990 in words is "two hundred seventy-two million, three hundred seventy-eight thousand, nine hundred ninety".

Divisors: 1 2 5 10 13 26 41 65 82 130 169 205 338 410 533 845 1066 1690 2665 3931 5330 6929 7862 13858 19655 34645 39310 51103 69290 102206 161171 255515 322342 511030 664339 805855 1328678 1611710 2095223 3321695 4190446 6643390 10476115 20952230 27237899 54475798 136189495 272378990