Search a number
-
+
2007043728 = 243367113933
BaseRepresentation
bin111011110100001…
…0000111010010000
312011212121101101220
41313220100322100
513102300344403
6531053525040
7100510406304
oct16750207220
95155541356
102007043728
1193aa18728
124801a3780
1325ca72451
141507add04
15bb304953
hex77a10e90

2007043728 has 40 divisors (see below), whose sum is σ = 5199036288. Its totient is φ = 667185792.

The previous prime is 2007043723. The next prime is 2007043729. The reversal of 2007043728 is 8273407002.

It is a super-2 number, since 2×20070437282 = 8056449052208275968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2007043723) 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, 39351 + ... + 74582.

Almost surely, 22007043728 is an apocalyptic number.

It is an amenable number.

2007043728 is an abundant number, since it is smaller than the sum of its proper divisors (3191992560).

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

2007043728 is a wasteful number, since it uses less digits than its factorization.

2007043728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114311 (or 114305 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2007043728 is about 44800.0416071235. The cubic root of 2007043728 is about 1261.3984070956.

The spelling of 2007043728 in words is "two billion, seven million, forty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 367 734 1101 1468 2202 2936 4404 5872 8808 17616 113933 227866 341799 455732 683598 911464 1367196 1822928 2734392 5468784 41813411 83626822 125440233 167253644 250880466 334507288 501760932 669014576 1003521864 2007043728