Search a number
-
+
47106672 = 2432943787
BaseRepresentation
bin1011001110110…
…0101001110000
310021122021012120
42303230221300
544024403142
64401354240
71111254144
oct263545160
9107567176
1047106672
1124654a38
1213938980
1399b4492
146383224
1542077ec
hex2ceca70

47106672 has 80 divisors (see below), whose sum is σ = 128979840. Its totient is φ = 14789376.

The previous prime is 47106671. The next prime is 47106679. The reversal of 47106672 is 27660174.

47106672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47106671) 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 15 ways as a sum of consecutive naturals, for example, 59463 + ... + 60249.

It is an arithmetic number, because the mean of its divisors is an integer number (1612248).

Almost surely, 247106672 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 47106672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64489920).

47106672 is an abundant number, since it is smaller than the sum of its proper divisors (81873168).

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

47106672 is a wasteful number, since it uses less digits than its factorization.

47106672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 47106672 is about 6863.4300462670. The cubic root of 47106672 is about 361.1554234922.

The spelling of 47106672 in words is "forty-seven million, one hundred six thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 29 43 48 58 86 87 116 129 172 174 232 258 344 348 464 516 688 696 787 1032 1247 1392 1574 2064 2361 2494 3148 3741 4722 4988 6296 7482 9444 9976 12592 14964 18888 19952 22823 29928 33841 37776 45646 59856 67682 68469 91292 101523 135364 136938 182584 203046 270728 273876 365168 406092 541456 547752 812184 981389 1095504 1624368 1962778 2944167 3925556 5888334 7851112 11776668 15702224 23553336 47106672