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2001248072 = 23250156009
BaseRepresentation
bin111011101001000…
…1001111101001000
312011110200221020222
41313102021331020
513044304414242
6530325405212
7100410220325
oct16722117510
95143627228
102001248072
1193771a32a
1247a269808
1325b7c3475
1414db01b4c
15baa5c5d2
hex77489f48

2001248072 has 8 divisors (see below), whose sum is σ = 3752340150. Its totient is φ = 1000624032.

The previous prime is 2001248069. The next prime is 2001248087. The reversal of 2001248072 is 2708421002.

It can be written as a sum of positive squares in only one way, i.e., 1827904516 + 173343556 = 42754^2 + 13166^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125077997 + ... + 125078012.

Almost surely, 22001248072 is an apocalyptic number.

It is an amenable number.

2001248072 is a deficient number, since it is larger than the sum of its proper divisors (1751092078).

2001248072 is a wasteful number, since it uses less digits than its factorization.

2001248072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250156015 (or 250156011 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 2001248072 is about 44735.3112429097. The cubic root of 2001248072 is about 1260.1830740957.

Adding to 2001248072 its reverse (2708421002), we get a palindrome (4709669074).

The spelling of 2001248072 in words is "two billion, one million, two hundred forty-eight thousand, seventy-two".

Divisors: 1 2 4 8 250156009 500312018 1000624036 2001248072