Search a number
-
+
47970633 = 379720063
BaseRepresentation
bin1011011011111…
…1100101001001
310100021011100010
42312333211021
544240030013
64432102133
71121513034
oct266774511
9110234303
1047970633
1125095057
1214094949
139c277b9
14652a01b
1543287c3
hex2dbf949

47970633 has 8 divisors (see below), whose sum is σ = 64044288. Its totient is φ = 31938704.

The previous prime is 47970631. The next prime is 47970641. The reversal of 47970633 is 33607974.

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

It is a cyclic number.

It is not a de Polignac number, because 47970633 - 21 = 47970631 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47970591 and 47970600.

It is not an unprimeable number, because it can be changed into a prime (47970631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7641 + ... + 12422.

It is an arithmetic number, because the mean of its divisors is an integer number (8005536).

Almost surely, 247970633 is an apocalyptic number.

It is an amenable number.

47970633 is a deficient number, since it is larger than the sum of its proper divisors (16073655).

47970633 is a wasteful number, since it uses less digits than its factorization.

47970633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20863.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 47970633 is about 6926.0835253410. The cubic root of 47970633 is about 363.3499876401.

The spelling of 47970633 in words is "forty-seven million, nine hundred seventy thousand, six hundred thirty-three".

Divisors: 1 3 797 2391 20063 60189 15990211 47970633