Search a number
-
+
1150500640 = 25540917581
BaseRepresentation
bin100010010010011…
…0011111100100000
32222011212111011211
41010210303330200
54324012010030
6310055115504
740340044162
oct10444637440
92864774154
101150500640
11540478183
12281372b94
13154482c13
14acb26932
156b00e12a
hex44933f20

1150500640 has 48 divisors (see below), whose sum is σ = 2724858360. Its totient is φ = 459048960.

The previous prime is 1150500623. The next prime is 1150500661. The reversal of 1150500640 is 460050511.

It can be written as a sum of positive squares in 4 ways, for example, as 1016589456 + 133911184 = 31884^2 + 11572^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56650 + ... + 74230.

Almost surely, 21150500640 is an apocalyptic number.

1150500640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150500640 is an abundant number, since it is smaller than the sum of its proper divisors (1574357720).

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

1150500640 is a wasteful number, since it uses less digits than its factorization.

1150500640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18005 (or 17997 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1150500640 is about 33919.0306465264. The cubic root of 1150500640 is about 1047.8415645346.

The spelling of 1150500640 in words is "one billion, one hundred fifty million, five hundred thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 409 818 1636 2045 3272 4090 6544 8180 13088 16360 17581 32720 35162 65440 70324 87905 140648 175810 281296 351620 562592 703240 1406480 2812960 7190629 14381258 28762516 35953145 57525032 71906290 115050064 143812580 230100128 287625160 575250320 1150500640