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47028866 = 225193683
BaseRepresentation
bin1011001101100…
…1101010000010
310021111022110212
42303121222002
544014410431
64355554122
71110511253
oct263315202
9107438425
1047028866
1124601535
12138bb942
139987c41
146362b2a
1541de72b
hex2cd9a82

47028866 has 8 divisors (see below), whose sum is σ = 70825104. Its totient is φ = 23420500.

The previous prime is 47028853. The next prime is 47028881. The reversal of 47028866 is 66882074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46340 + ... + 47343.

It is an arithmetic number, because the mean of its divisors is an integer number (8853138).

Almost surely, 247028866 is an apocalyptic number.

47028866 is a deficient number, since it is larger than the sum of its proper divisors (23796238).

47028866 is a wasteful number, since it uses less digits than its factorization.

47028866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93936.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 47028866 is about 6857.7595466741. The cubic root of 47028866 is about 360.9564740099.

The spelling of 47028866 in words is "forty-seven million, twenty-eight thousand, eight hundred sixty-six".

Divisors: 1 2 251 502 93683 187366 23514433 47028866