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14279890 = 2529411201
BaseRepresentation
bin110110011110…
…010011010010
3222212111022211
4312132103102
512123424030
61230022334
7232243222
oct66362322
928774284
1014279890
118073769
1249479aa
132c5c951
141c7a082
1513c112a
hexd9e4d2

14279890 has 32 divisors (see below), whose sum is σ = 27261360. Its totient is φ = 5376000.

The previous prime is 14279851. The next prime is 14279893. The reversal of 14279890 is 9897241.

It can be written as a sum of positive squares in 8 ways, for example, as 74529 + 14205361 = 273^2 + 3769^2 .

It is not an unprimeable number, because it can be changed into a prime (14279893) 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 15 ways as a sum of consecutive naturals, for example, 11290 + ... + 12490.

Almost surely, 214279890 is an apocalyptic number.

14279890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14279890 is a deficient number, since it is larger than the sum of its proper divisors (12981470).

14279890 is a wasteful number, since it uses less digits than its factorization.

14279890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 14279890 is about 3778.8741709668. The cubic root of 14279890 is about 242.6097706882.

The spelling of 14279890 in words is "fourteen million, two hundred seventy-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 29 41 58 82 145 205 290 410 1189 1201 2378 2402 5945 6005 11890 12010 34829 49241 69658 98482 174145 246205 348290 492410 1427989 2855978 7139945 14279890