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47894563 = 534332087
BaseRepresentation
bin1011011010110…
…1000000100011
310100010021222201
42312231000203
544230111223
64430314031
71121045203
oct266550043
9110107881
1047894563
1125042992
1214058917
139bcbca2
14650a403
154310ead
hex2dad023

47894563 has 8 divisors (see below), whose sum is σ = 48934368. Its totient is φ = 46859904.

The previous prime is 47894537. The next prime is 47894599. The reversal of 47894563 is 36549874.

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 47894563 - 217 = 47763491 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47894513) 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, 21906 + ... + 23992.

It is an arithmetic number, because the mean of its divisors is an integer number (6116796).

Almost surely, 247894563 is an apocalyptic number.

47894563 is a deficient number, since it is larger than the sum of its proper divisors (1039805).

47894563 is a wasteful number, since it uses less digits than its factorization.

47894563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573.

The product of its digits is 725760, while the sum is 46.

The square root of 47894563 is about 6920.5897870052. The cubic root of 47894563 is about 363.1578238454.

The spelling of 47894563 in words is "forty-seven million, eight hundred ninety-four thousand, five hundred sixty-three".

Divisors: 1 53 433 2087 22949 110611 903671 47894563