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47909514 = 2311370663
BaseRepresentation
bin1011011011000…
…0101010001010
310100011001111110
42312300222022
544231101024
64430511150
71121136612
oct266605212
9110131443
1047909514
1125053144
12140654b6
139c05a33
146511a42
154315629
hex2db0a8a

47909514 has 16 divisors (see below), whose sum is σ = 96668352. Its totient is φ = 15828288.

The previous prime is 47909503. The next prime is 47909527. The reversal of 47909514 is 41590974.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34654 + ... + 36009.

It is an arithmetic number, because the mean of its divisors is an integer number (6041772).

Almost surely, 247909514 is an apocalyptic number.

47909514 is an abundant number, since it is smaller than the sum of its proper divisors (48758838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47909514 is a wasteful number, since it uses less digits than its factorization.

47909514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70781.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 47909514 is about 6921.6698852228. The cubic root of 47909514 is about 363.1956082856.

The spelling of 47909514 in words is "forty-seven million, nine hundred nine thousand, five hundred fourteen".

Divisors: 1 2 3 6 113 226 339 678 70663 141326 211989 423978 7984919 15969838 23954757 47909514