Search a number
-
+
47106864 = 24327172749
BaseRepresentation
bin1011001110110…
…0101100110000
310021122021110200
42303230230300
544024404424
64401355200
71111254540
oct263545460
9107567420
1047106864
11246550a2
1213938b00
1399b45ac
146383320
1542078c9
hex2cecb30

47106864 has 120 divisors (see below), whose sum is σ = 159588000. Its totient is φ = 12662784.

The previous prime is 47106863. The next prime is 47106869. The reversal of 47106864 is 46860174.

47106864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47106863) 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 23 ways as a sum of consecutive naturals, for example, 15762 + ... + 18510.

It is an arithmetic number, because the mean of its divisors is an integer number (1329900).

Almost surely, 247106864 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 47106864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79794000).

47106864 is an abundant number, since it is smaller than the sum of its proper divisors (112481136).

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

47106864 is a wasteful number, since it uses less digits than its factorization.

47106864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 47106864 is about 6863.4440334281. Note that the first 3 decimals coincide. The cubic root of 47106864 is about 361.1559141640.

The spelling of 47106864 in words is "forty-seven million, one hundred six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 28 34 36 42 48 51 56 63 68 72 84 102 112 119 126 136 144 153 168 204 238 252 272 306 336 357 408 476 504 612 714 816 952 1008 1071 1224 1428 1904 2142 2448 2749 2856 4284 5498 5712 8247 8568 10996 16494 17136 19243 21992 24741 32988 38486 43984 46733 49482 57729 65976 76972 93466 98964 115458 131952 140199 153944 173187 186932 197928 230916 280398 307888 327131 346374 373864 395856 420597 461832 560796 654262 692748 747728 841194 923664 981393 1121592 1308524 1385496 1682388 1962786 2243184 2617048 2770992 2944179 3364776 3925572 5234096 5888358 6729552 7851144 11776716 15702288 23553432 47106864