Search a number
-
+
47345448 = 23310511877
BaseRepresentation
bin1011010010011…
…0111100101000
310022002101202010
42310212330220
544110023243
64410435520
71113300243
oct264467450
9108071663
1047345448
11247a8377
1213a32ba0
139a69077
14640625a
154253433
hex2d26f28

47345448 has 32 divisors (see below), whose sum is σ = 118539360. Its totient is φ = 15758400.

The previous prime is 47345443. The next prime is 47345471. The reversal of 47345448 is 84454374.

47345448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47345443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24286 + ... + 26162.

It is an arithmetic number, because the mean of its divisors is an integer number (3704355).

Almost surely, 247345448 is an apocalyptic number.

It is an amenable number.

47345448 is an abundant number, since it is smaller than the sum of its proper divisors (71193912).

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

47345448 is a wasteful number, since it uses less digits than its factorization.

47345448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937 (or 2933 counting only the distinct ones).

The product of its digits is 215040, while the sum is 39.

The square root of 47345448 is about 6880.8028601319. The cubic root of 47345448 is about 361.7646079139.

The spelling of 47345448 in words is "forty-seven million, three hundred forty-five thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 1051 1877 2102 3153 3754 4204 5631 6306 7508 8408 11262 12612 15016 22524 25224 45048 1972727 3945454 5918181 7890908 11836362 15781816 23672724 47345448