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47384484 = 22371573593
BaseRepresentation
bin1011010011000…
…0011110100100
310022011101021220
42310300132210
544112300414
64411340340
71113522120
oct264603644
9108141256
1047384484
1124824734
1213a516b0
139a80a74
146416580
15425eca9
hex2d307a4

47384484 has 48 divisors (see below), whose sum is σ = 127198848. Its totient is φ = 13448448.

The previous prime is 47384473. The next prime is 47384497. The reversal of 47384484 is 48448374.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11392 + ... + 14984.

It is an arithmetic number, because the mean of its divisors is an integer number (2649976).

Almost surely, 247384484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47384484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63599424).

47384484 is an abundant number, since it is smaller than the sum of its proper divisors (79814364).

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

47384484 is a wasteful number, since it uses less digits than its factorization.

47384484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3764 (or 3762 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The square root of 47384484 is about 6883.6388632757. The cubic root of 47384484 is about 361.8640047548.

The spelling of 47384484 in words is "forty-seven million, three hundred eighty-four thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 157 314 471 628 942 1099 1884 2198 3297 3593 4396 6594 7186 10779 13188 14372 21558 25151 43116 50302 75453 100604 150906 301812 564101 1128202 1692303 2256404 3384606 3948707 6769212 7897414 11846121 15794828 23692242 47384484