Search a number
-
+
1080303080 = 235171588681
BaseRepresentation
bin100000001100100…
…0001110111101000
32210021210002020012
41000121001313220
54203024144310
6255110351052
735525265443
oct10031016750
92707702205
101080303080
1150489176a
1226195b488
13142a754bc
14a369265a
1564c94c05
hex40641de8

1080303080 has 32 divisors (see below), whose sum is σ = 2573664840. Its totient is φ = 406702080.

The previous prime is 1080303079. The next prime is 1080303113. The reversal of 1080303080 is 803030801.

It can be written as a sum of positive squares in 4 ways, for example, as 1079385316 + 917764 = 32854^2 + 958^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793661 + ... + 795020.

Almost surely, 21080303080 is an apocalyptic number.

1080303080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080303080 is an abundant number, since it is smaller than the sum of its proper divisors (1493361760).

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

1080303080 is a wasteful number, since it uses less digits than its factorization.

1080303080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588709 (or 1588705 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1080303080 is about 32867.9643421980. The cubic root of 1080303080 is about 1026.0815330130.

Adding to 1080303080 its reverse (803030801), we get a palindrome (1883333881).

The spelling of 1080303080 in words is "one billion, eighty million, three hundred three thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 1588681 3177362 6354724 7943405 12709448 15886810 27007577 31773620 54015154 63547240 108030308 135037885 216060616 270075770 540151540 1080303080