Search a number
-
+
47868872 = 2317383919
BaseRepresentation
bin1011011010011…
…0101111001000
310100001222202012
42312212233020
544223300442
64425555052
71120610252
oct266465710
9110058665
1047868872
1125025657
1214045a88
139bc039c
146500cd2
154308582
hex2da6bc8

47868872 has 32 divisors (see below), whose sum is σ = 95385600. Its totient is φ = 22443264.

The previous prime is 47868859. The next prime is 47868907. The reversal of 47868872 is 27886874.

It is a self number, because there is not a number n which added to its sum of digits gives 47868872.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51629 + ... + 52547.

It is an arithmetic number, because the mean of its divisors is an integer number (2980800).

Almost surely, 247868872 is an apocalyptic number.

It is an amenable number.

47868872 is a deficient number, since it is larger than the sum of its proper divisors (47516728).

47868872 is a wasteful number, since it uses less digits than its factorization.

47868872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1321 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 47868872 is about 6918.7334100975. The cubic root of 47868872 is about 363.0928787120.

The spelling of 47868872 in words is "forty-seven million, eight hundred sixty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 383 766 919 1532 1838 3064 3676 6511 7352 13022 15623 26044 31246 52088 62492 124984 351977 703954 1407908 2815816 5983609 11967218 23934436 47868872