Search a number
-
+
47612540 = 2252380627
BaseRepresentation
bin1011010110100…
…0001001111100
310022120222010102
42311220021330
544142100130
64420300232
71115462033
oct265501174
9108528112
1047612540
1124970008
1213b41678
139b30801
14647571a
1542a7645
hex2d6827c

47612540 has 12 divisors (see below), whose sum is σ = 99986376. Its totient is φ = 19045008.

The previous prime is 47612533. The next prime is 47612549. The reversal of 47612540 is 4521674.

47612540 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 (47612549) 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 3 ways as a sum of consecutive naturals, for example, 1190294 + ... + 1190333.

It is an arithmetic number, because the mean of its divisors is an integer number (8332198).

Almost surely, 247612540 is an apocalyptic number.

It is an amenable number.

47612540 is an abundant number, since it is smaller than the sum of its proper divisors (52373836).

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

47612540 is a wasteful number, since it uses less digits than its factorization.

47612540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380636 (or 2380634 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 47612540 is about 6900.1840555162. The cubic root of 47612540 is about 362.4436123152.

The spelling of 47612540 in words is "forty-seven million, six hundred twelve thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 2380627 4761254 9522508 11903135 23806270 47612540