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47640962 = 2149159869
BaseRepresentation
bin1011010110111…
…1000110000010
310022122102010002
42311233012002
544144002322
64421040002
71115640635
oct265570602
9108572102
1047640962
112498a3a6
1213b56002
139b40725
146481c1c
1542b0c92
hex2d6f182

47640962 has 8 divisors (see below), whose sum is σ = 71941500. Its totient is φ = 23660464.

The previous prime is 47640949. The next prime is 47640977. The reversal of 47640962 is 26904674.

47640962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47623801 + 17161 = 6901^2 + 131^2 .

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

It is a super-2 number, since 2×476409622 = 4539322520570888, which contains 22 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 79637 + ... + 80232.

Almost surely, 247640962 is an apocalyptic number.

47640962 is a deficient number, since it is larger than the sum of its proper divisors (24300538).

47640962 is a wasteful number, since it uses less digits than its factorization.

47640962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160020.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 47640962 is about 6902.2432585356. The cubic root of 47640962 is about 362.5157174319.

The spelling of 47640962 in words is "forty-seven million, six hundred forty thousand, nine hundred sixty-two".

Divisors: 1 2 149 298 159869 319738 23820481 47640962