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47749063 = 101472763
BaseRepresentation
bin1011011000100…
…1011111000111
310022211220101211
42312021133013
544210432223
64423232251
71116601045
oct266113707
9108756354
1047749063
1124a5363a
1213ba8687
139b7a9ab
1464ad395
1542d2d0d
hex2d897c7

47749063 has 4 divisors (see below), whose sum is σ = 48221928. Its totient is φ = 47276200.

The previous prime is 47749061. The next prime is 47749087. The reversal of 47749063 is 36094774.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47749063 - 21 = 47749061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47749061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236281 + ... + 236482.

It is an arithmetic number, because the mean of its divisors is an integer number (12055482).

Almost surely, 247749063 is an apocalyptic number.

47749063 is a deficient number, since it is larger than the sum of its proper divisors (472865).

47749063 is a wasteful number, since it uses less digits than its factorization.

47749063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472864.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 47749063 is about 6910.0696812695. The cubic root of 47749063 is about 362.7897023026.

The spelling of 47749063 in words is "forty-seven million, seven hundred forty-nine thousand, sixty-three".

Divisors: 1 101 472763 47749063