Search a number
-
+
47940463 = 229209347
BaseRepresentation
bin1011011011100…
…0001101101111
310100012121221201
42312320031233
544233043323
64431310331
71121326054
oct266701557
9110177851
1047940463
112507441a
121407b3a7
139c16b4c
14651d02b
15431e8ad
hex2db836f

47940463 has 4 divisors (see below), whose sum is σ = 48150040. Its totient is φ = 47730888.

The previous prime is 47940437. The next prime is 47940467. The reversal of 47940463 is 36404974.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-47940463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47940467) 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, 104445 + ... + 104902.

It is an arithmetic number, because the mean of its divisors is an integer number (12037510).

Almost surely, 247940463 is an apocalyptic number.

47940463 is a deficient number, since it is larger than the sum of its proper divisors (209577).

47940463 is a wasteful number, since it uses less digits than its factorization.

47940463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209576.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 47940463 is about 6923.9051842150. The cubic root of 47940463 is about 363.2737981925.

The spelling of 47940463 in words is "forty-seven million, nine hundred forty thousand, four hundred sixty-three".

Divisors: 1 229 209347 47940463