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47771052 = 2237619323
BaseRepresentation
bin1011011000111…
…0110110101100
310022220000120020
42312032312230
544212133202
64423522140
71120022130
oct266166654
9108800506
1047771052
1124a6910a
1213bb9350
139b879c4
1464b73c0
1542d95bc
hex2d8edac

47771052 has 48 divisors (see below), whose sum is σ = 129491712. Its totient is φ = 13423680.

The previous prime is 47771051. The next prime is 47771077. The reversal of 47771052 is 25017774.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47771051) 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, 463 + ... + 9785.

It is an arithmetic number, because the mean of its divisors is an integer number (2697744).

Almost surely, 247771052 is an apocalyptic number.

47771052 is a gapful number since it is divisible by the number (42) 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 47771052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64745856).

47771052 is an abundant number, since it is smaller than the sum of its proper divisors (81720660).

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

47771052 is a wasteful number, since it uses less digits than its factorization.

47771052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398 (or 9396 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 47771052 is about 6911.6605819441. The cubic root of 47771052 is about 362.8453833849.

The spelling of 47771052 in words is "forty-seven million, seven hundred seventy-one thousand, fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 61 84 122 183 244 366 427 732 854 1281 1708 2562 5124 9323 18646 27969 37292 55938 65261 111876 130522 195783 261044 391566 568703 783132 1137406 1706109 2274812 3412218 3980921 6824436 7961842 11942763 15923684 23885526 47771052