Search a number
-
+
47631140 = 22521111287
BaseRepresentation
bin1011010110110…
…0101100100100
310022121220122022
42311230230210
544143144030
64420522312
71115600204
oct265545444
9108556568
1047631140
1124982a87
1213b50398
139b3910b
14647c404
1542acde5
hex2d6cb24

47631140 has 24 divisors (see below), whose sum is σ = 100508352. Its totient is φ = 18960480.

The previous prime is 47631041. The next prime is 47631151. The reversal of 47631140 is 4113674.

47631140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 1424 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (4187848).

Almost surely, 247631140 is an apocalyptic number.

It is an amenable number.

47631140 is an abundant number, since it is smaller than the sum of its proper divisors (52877212).

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

47631140 is a wasteful number, since it uses less digits than its factorization.

47631140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507 (or 11505 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 47631140 is about 6901.5317140473. The cubic root of 47631140 is about 362.4908027789.

The spelling of 47631140 in words is "forty-seven million, six hundred thirty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 211 422 844 1055 2110 4220 11287 22574 45148 56435 112870 225740 2381557 4763114 9526228 11907785 23815570 47631140