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47292768 = 2533127431
BaseRepresentation
bin1011010001101…
…0000101100000
310021222201111000
42310122011200
544101332033
64405352000
71112660535
oct264320540
9107881430
1047292768
1124771836
1213a08600
139a4b0b3
1463d0d8c
154242a13
hex2d1a160

47292768 has 96 divisors (see below), whose sum is σ = 139345920. Its totient is φ = 15603840.

The previous prime is 47292683. The next prime is 47292769. The reversal of 47292768 is 86729274.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47292769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109513 + ... + 109943.

It is an arithmetic number, because the mean of its divisors is an integer number (1451520).

Almost surely, 247292768 is an apocalyptic number.

47292768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47292768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69672960).

47292768 is an abundant number, since it is smaller than the sum of its proper divisors (92053152).

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

47292768 is a wasteful number, since it uses less digits than its factorization.

47292768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 563 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 47292768 is about 6876.9737530399. The cubic root of 47292768 is about 361.6303828857.

The spelling of 47292768 in words is "forty-seven million, two hundred ninety-two thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 96 108 127 144 216 254 288 381 431 432 508 762 862 864 1016 1143 1293 1524 1724 2032 2286 2586 3048 3429 3448 3879 4064 4572 5172 6096 6858 6896 7758 9144 10344 11637 12192 13716 13792 15516 18288 20688 23274 27432 31032 36576 41376 46548 54737 54864 62064 93096 109474 109728 124128 164211 186192 218948 328422 372384 437896 492633 656844 875792 985266 1313688 1477899 1751584 1970532 2627376 2955798 3941064 5254752 5911596 7882128 11823192 15764256 23646384 47292768