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14220872 = 231777609
BaseRepresentation
bin110110001111…
…111001001000
3222202111100222
4312033321020
512120031442
61224445212
7231606161
oct66177110
928674328
1014220872
118033396
124919808
132c3bb23
141c62768
1513ad8d2
hexd8fe48

14220872 has 8 divisors (see below), whose sum is σ = 26664150. Its totient is φ = 7110432.

The previous prime is 14220863. The next prime is 14220889. The reversal of 14220872 is 27802241.

It can be written as a sum of positive squares in only one way, i.e., 14032516 + 188356 = 3746^2 + 434^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 888797 + ... + 888812.

Almost surely, 214220872 is an apocalyptic number.

It is an amenable number.

14220872 is a deficient number, since it is larger than the sum of its proper divisors (12443278).

14220872 is a wasteful number, since it uses less digits than its factorization.

14220872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777615 (or 1777611 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 14220872 is about 3771.0571462125. The cubic root of 14220872 is about 242.2750782289.

The spelling of 14220872 in words is "fourteen million, two hundred twenty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 1777609 3555218 7110436 14220872