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47093772 = 22311438297
BaseRepresentation
bin1011001110100…
…1100000001100
310021121121111210
42303221200030
544024000042
64401214420
71111201425
oct263514014
9107547453
1047093772
1124646280
1213931410
1399ab64b
14637c64c
154203a9c
hex2ce980c

47093772 has 48 divisors (see below), whose sum is σ = 122677632. Its totient is φ = 13937280.

The previous prime is 47093771. The next prime is 47093779. The reversal of 47093772 is 27739074.

It is a super-3 number, since 3×470937723 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 47093772.

It is not an unprimeable number, because it can be changed into a prime (47093771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1528 + ... + 9824.

It is an arithmetic number, because the mean of its divisors is an integer number (2555784).

Almost surely, 247093772 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 47093772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61338816).

47093772 is an abundant number, since it is smaller than the sum of its proper divisors (75583860).

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

47093772 is a wasteful number, since it uses less digits than its factorization.

47093772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358 (or 8356 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 39.

The square root of 47093772 is about 6862.4902185723. The cubic root of 47093772 is about 361.1224534259.

The spelling of 47093772 in words is "forty-seven million, ninety-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 86 129 132 172 258 473 516 946 1419 1892 2838 5676 8297 16594 24891 33188 49782 91267 99564 182534 273801 356771 365068 547602 713542 1070313 1095204 1427084 2140626 3924481 4281252 7848962 11773443 15697924 23546886 47093772