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47994284 = 22132340129
BaseRepresentation
bin1011011100010…
…1010110101100
310100022100210002
42313011112230
544241304114
64432403432
71121642012
oct267052654
9110270702
1047994284
11251008a8
12140a6578
139c354b0
1465348b2
1543307de
hex2dc55ac

47994284 has 24 divisors (see below), whose sum is σ = 94385760. Its totient is φ = 21187584.

The previous prime is 47994277. The next prime is 47994301. The reversal of 47994284 is 48249974.

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, 18869 + ... + 21260.

It is an arithmetic number, because the mean of its divisors is an integer number (3932740).

Almost surely, 247994284 is an apocalyptic number.

It is an amenable number.

47994284 is a deficient number, since it is larger than the sum of its proper divisors (46391476).

47994284 is a wasteful number, since it uses less digits than its factorization.

47994284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40169 (or 40167 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 47994284 is about 6927.7907012265. The cubic root of 47994284 is about 363.4096920753.

The spelling of 47994284 in words is "forty-seven million, nine hundred ninety-four thousand, two hundred eighty-four".

Divisors: 1 2 4 13 23 26 46 52 92 299 598 1196 40129 80258 160516 521677 922967 1043354 1845934 2086708 3691868 11998571 23997142 47994284