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47442670 = 2511431297
BaseRepresentation
bin1011010011111…
…0101011101110
310022021100002221
42310332223232
544121131140
64412505554
71114153552
oct264765356
9108240087
1047442670
1124864420
1213a7b2ba
139aa13b2
14642d862
15427214a
hex2d3eaee

47442670 has 16 divisors (see below), whose sum is σ = 93160368. Its totient is φ = 17251840.

The previous prime is 47442649. The next prime is 47442673. The reversal of 47442670 is 7624474.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47442673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215539 + ... + 215758.

It is an arithmetic number, because the mean of its divisors is an integer number (5822523).

Almost surely, 247442670 is an apocalyptic number.

47442670 is a deficient number, since it is larger than the sum of its proper divisors (45717698).

47442670 is a wasteful number, since it uses less digits than its factorization.

47442670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431315.

The product of its (nonzero) digits is 37632, while the sum is 34.

The square root of 47442670 is about 6887.8639649749. The cubic root of 47442670 is about 362.0120617045.

The spelling of 47442670 in words is "forty-seven million, four hundred forty-two thousand, six hundred seventy".

Divisors: 1 2 5 10 11 22 55 110 431297 862594 2156485 4312970 4744267 9488534 23721335 47442670