Search a number
-
+
47482656 = 2531338047
BaseRepresentation
bin1011010100100…
…0011100100000
310022100100221220
42311020130200
544123421111
64413415040
71114411254
oct265103440
9108310856
1047482656
1124891471
1213a9a480
139ab6660
146440264
15427de06
hex2d48720

47482656 has 48 divisors (see below), whose sum is σ = 134233344. Its totient is φ = 14609664.

The previous prime is 47482651. The next prime is 47482661. The reversal of 47482656 is 65628474.

It is an interprime number because it is at equal distance from previous prime (47482651) and next prime (47482661).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (47482651) 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, 17776 + ... + 20271.

It is an arithmetic number, because the mean of its divisors is an integer number (2796528).

Almost surely, 247482656 is an apocalyptic number.

It is an amenable number.

47482656 is an abundant number, since it is smaller than the sum of its proper divisors (86750688).

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

47482656 is a wasteful number, since it uses less digits than its factorization.

47482656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38073 (or 38065 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 47482656 is about 6890.7659951561. The cubic root of 47482656 is about 362.1137377515.

The spelling of 47482656 in words is "forty-seven million, four hundred eighty-two thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 78 96 104 156 208 312 416 624 1248 38047 76094 114141 152188 228282 304376 456564 494611 608752 913128 989222 1217504 1483833 1826256 1978444 2967666 3652512 3956888 5935332 7913776 11870664 15827552 23741328 47482656