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47452893 = 356927799
BaseRepresentation
bin1011010100000…
…1001011011101
310022021212010120
42311001023131
544121443033
64413025153
71114225425
oct265011335
9108255116
1047452893
1124871074
1213a851b9
139aa5c47
146433485
1542751b3
hex2d412dd

47452893 has 8 divisors (see below), whose sum is σ = 63384000. Its totient is φ = 31578528.

The previous prime is 47452891. The next prime is 47452897. The reversal of 47452893 is 39825474.

47452893 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 not a de Polignac number, because 47452893 - 21 = 47452891 is a prime.

It is a super-3 number, since 3×474528933 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47452891) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12193 + ... + 15606.

It is an arithmetic number, because the mean of its divisors is an integer number (7923000).

Almost surely, 247452893 is an apocalyptic number.

It is an amenable number.

47452893 is a deficient number, since it is larger than the sum of its proper divisors (15931107).

47452893 is a wasteful number, since it uses less digits than its factorization.

47452893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28371.

The product of its digits is 241920, while the sum is 42.

The square root of 47452893 is about 6888.6060273469. The cubic root of 47452893 is about 362.0380620927.

The spelling of 47452893 in words is "forty-seven million, four hundred fifty-two thousand, eight hundred ninety-three".

Divisors: 1 3 569 1707 27799 83397 15817631 47452893