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47394168 = 2332323733
BaseRepresentation
bin1011010011001…
…0110101111000
310022011212120120
42310302311320
544113103133
64411453240
71113562263
oct264626570
9108155516
1047394168
1124830a38
1213a57220
139a852b3
146419cda
154262ab3
hex2d32d78

47394168 has 48 divisors (see below), whose sum is σ = 123894120. Its totient is φ = 15107136.

The previous prime is 47394163. The next prime is 47394173. The reversal of 47394168 is 86149374.

It is an interprime number because it is at equal distance from previous prime (47394163) and next prime (47394173).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47394161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10830 + ... + 14562.

Almost surely, 247394168 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 47394168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61947060).

47394168 is an abundant number, since it is smaller than the sum of its proper divisors (76499952).

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

47394168 is a wasteful number, since it uses less digits than its factorization.

47394168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788 (or 3761 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 47394168 is about 6884.3422343750. The cubic root of 47394168 is about 361.8886545419. Note that the first 3 decimals are identical.

The spelling of 47394168 in words is "forty-seven million, three hundred ninety-four thousand, one hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 23 24 46 69 92 138 184 276 529 552 1058 1587 2116 3174 3733 4232 6348 7466 11199 12696 14932 22398 29864 44796 85859 89592 171718 257577 343436 515154 686872 1030308 1974757 2060616 3949514 5924271 7899028 11848542 15798056 23697084 47394168