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47952146 = 2112179643
BaseRepresentation
bin1011011011101…
…1000100010010
310100020012222102
42312323010102
544233432041
64431440402
71121405114
oct266730422
9110205872
1047952146
1125082180
1214086102
139c1c268
1465233b4
15432309b
hex2dbb112

47952146 has 8 divisors (see below), whose sum is σ = 78467184. Its totient is φ = 21796420.

The previous prime is 47952119. The next prime is 47952169. The reversal of 47952146 is 64125974.

47952146 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 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, 1089800 + ... + 1089843.

It is an arithmetic number, because the mean of its divisors is an integer number (9808398).

Almost surely, 247952146 is an apocalyptic number.

47952146 is a deficient number, since it is larger than the sum of its proper divisors (30515038).

47952146 is a wasteful number, since it uses less digits than its factorization.

47952146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2179656.

The product of its digits is 60480, while the sum is 38.

The square root of 47952146 is about 6924.7488041083. The cubic root of 47952146 is about 363.3033055078.

Subtracting 47952146 from its reverse (64125974), we obtain a triangular number (16173828 = T5687).

It can be divided in two parts, 479 and 52146, that added together give a palindrome (52625).

The spelling of 47952146 in words is "forty-seven million, nine hundred fifty-two thousand, one hundred forty-six".

Divisors: 1 2 11 22 2179643 4359286 23976073 47952146