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48280012 = 221129157241
BaseRepresentation
bin1011100000101…
…1000111001100
310100211212201121
42320023013030
544324430022
64442450324
71124242024
oct270130714
9110755647
1048280012
1125286540
12142039a4
13a005571
1465aaa84
15438a2c7
hex2e0b1cc

48280012 has 48 divisors (see below), whose sum is σ = 96354720. Its totient is φ = 20966400.

The previous prime is 48280003. The next prime is 48280019. The reversal of 48280012 is 21008284.

It is not an unprimeable number, because it can be changed into a prime (48280019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200212 + ... + 200452.

It is an arithmetic number, because the mean of its divisors is an integer number (2007390).

Almost surely, 248280012 is an apocalyptic number.

It is an amenable number.

48280012 is a deficient number, since it is larger than the sum of its proper divisors (48074708).

48280012 is a wasteful number, since it uses less digits than its factorization.

48280012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 48280012 is about 6948.3819699265. The cubic root of 48280012 is about 364.1294371214.

Adding to 48280012 its reverse (21008284), we get a palindrome (69288296).

The spelling of 48280012 in words is "forty-eight million, two hundred eighty thousand, twelve".

Divisors: 1 2 4 11 22 29 44 58 116 157 241 314 319 482 628 638 964 1276 1727 2651 3454 4553 5302 6908 6989 9106 10604 13978 18212 27956 37837 50083 75674 76879 100166 151348 153758 200332 307516 416207 832414 1097273 1664828 2194546 4389092 12070003 24140006 48280012