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47425642 = 2112155711
BaseRepresentation
bin1011010011101…
…0100001101010
310022020110202021
42310322201222
544120110032
64412255054
71114053115
oct264724152
9108213667
1047425642
1124852650
1213a7148a
139a96714
14642757c
15426c097
hex2d3a86a

47425642 has 8 divisors (see below), whose sum is σ = 77605632. Its totient is φ = 21557100.

The previous prime is 47425613. The next prime is 47425663. The reversal of 47425642 is 24652474.

47425642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×474256422 = 4498383038224328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47425598 and 47425607.

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, 1077834 + ... + 1077877.

It is an arithmetic number, because the mean of its divisors is an integer number (9700704).

Almost surely, 247425642 is an apocalyptic number.

47425642 is a deficient number, since it is larger than the sum of its proper divisors (30179990).

47425642 is a wasteful number, since it uses less digits than its factorization.

47425642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2155724.

The product of its digits is 53760, while the sum is 34.

The square root of 47425642 is about 6886.6277669118. The cubic root of 47425642 is about 361.9687457119.

The spelling of 47425642 in words is "forty-seven million, four hundred twenty-five thousand, six hundred forty-two".

Divisors: 1 2 11 22 2155711 4311422 23712821 47425642