Search a number
-
+
2240686988 = 22659850033
BaseRepresentation
bin1000010110001110…
…0010101110001100
312210011020200200222
42011203202232030
514042103440423
61010201410512
7106345345061
oct20543425614
95704220628
102240686988
11a4a89a331
12526499a38
132992a8ab7
1417382cc68
15d1aa73c8
hex858e2b8c

2240686988 has 12 divisors (see below), whose sum is σ = 3927157080. Its totient is φ = 1118642112.

The previous prime is 2240686969. The next prime is 2240686993. The reversal of 2240686988 is 8896860422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422381 + ... + 427652.

It is an arithmetic number, because the mean of its divisors is an integer number (327263090).

Almost surely, 22240686988 is an apocalyptic number.

It is an amenable number.

2240686988 is a deficient number, since it is larger than the sum of its proper divisors (1686470092).

2240686988 is a wasteful number, since it uses less digits than its factorization.

2240686988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850696 (or 850694 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The square root of 2240686988 is about 47335.8953438086. The cubic root of 2240686988 is about 1308.5602713142.

The spelling of 2240686988 in words is "two billion, two hundred forty million, six hundred eighty-six thousand, nine hundred eighty-eight".

Divisors: 1 2 4 659 1318 2636 850033 1700066 3400132 560171747 1120343494 2240686988