Search a number
-
+
47474736 = 2438911113
BaseRepresentation
bin1011010100011…
…0100000110000
310022022222002120
42311012200300
544123142421
64413314240
71114346211
oct265064060
9108288076
1047474736
1124886521
1213a95980
139ab2b7a
14643b408
15427b8c6
hex2d46830

47474736 has 40 divisors (see below), whose sum is σ = 124032240. Its totient is φ = 15645696.

The previous prime is 47474731. The next prime is 47474743. The reversal of 47474736 is 63747474.

It is not an unprimeable number, because it can be changed into a prime (47474731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (3100806).

Almost surely, 247474736 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 47474736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62016120).

47474736 is an abundant number, since it is smaller than the sum of its proper divisors (76557504).

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

47474736 is a wasteful number, since it uses less digits than its factorization.

47474736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213 (or 11207 counting only the distinct ones).

The product of its digits is 395136, while the sum is 42.

The square root of 47474736 is about 6890.1912890717. The cubic root of 47474736 is about 362.0936033803.

The spelling of 47474736 in words is "forty-seven million, four hundred seventy-four thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 89 178 267 356 534 712 1068 1424 2136 4272 11113 22226 33339 44452 66678 88904 133356 177808 266712 533424 989057 1978114 2967171 3956228 5934342 7912456 11868684 15824912 23737368 47474736