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47000441 = 52389867
BaseRepresentation
bin1011001101001…
…0101101111001
310021102212111002
42303102231321
544013003231
64355214345
71110332345
oct263225571
9107385432
1047000441
1124592144
12138a73b5
139978017
146356625
1541d60cb
hex2cd2b79

47000441 has 4 divisors (see below), whose sum is σ = 47090832. Its totient is φ = 46910052.

The previous prime is 47000413. The next prime is 47000449. The reversal of 47000441 is 14400074.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47000441 - 26 = 47000377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47000449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44411 + ... + 45456.

It is an arithmetic number, because the mean of its divisors is an integer number (11772708).

Almost surely, 247000441 is an apocalyptic number.

It is an amenable number.

47000441 is a deficient number, since it is larger than the sum of its proper divisors (90391).

47000441 is an equidigital number, since it uses as much as digits as its factorization.

47000441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90390.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 47000441 is about 6855.6867635562. The cubic root of 47000441 is about 360.8837367283.

The spelling of 47000441 in words is "forty-seven million, four hundred forty-one", and thus it is an aban number.

Divisors: 1 523 89867 47000441