Search a number
-
+
1005330080 = 25514294397
BaseRepresentation
bin111011111011000…
…001111010100000
32121001201001121102
4323323001322200
54024331030310
6243431413532
733625110326
oct7373017240
92531631542
101005330080
11476534407
122408242a8
13130385291
1497737d16
155d3d58a5
hex3bec1ea0

1005330080 has 48 divisors (see below), whose sum is σ = 2377294920. Its totient is φ = 401759232.

The previous prime is 1005330077. The next prime is 1005330083. The reversal of 1005330080 is 800335001.

It is an interprime number because it is at equal distance from previous prime (1005330077) and next prime (1005330083).

It can be written as a sum of positive squares in 4 ways, for example, as 553002256 + 452327824 = 23516^2 + 21268^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1005330083) 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, 226442 + ... + 230838.

Almost surely, 21005330080 is an apocalyptic number.

1005330080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1005330080 is an abundant number, since it is smaller than the sum of its proper divisors (1371964840).

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

1005330080 is a wasteful number, since it uses less digits than its factorization.

1005330080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841 (or 5833 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1005330080 is about 31706.9405651192. The cubic root of 1005330080 is about 1001.7735460083.

Adding to 1005330080 its reverse (800335001), we get a palindrome (1805665081).

The spelling of 1005330080 in words is "one billion, five million, three hundred thirty thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1429 2858 4397 5716 7145 8794 11432 14290 17588 21985 22864 28580 35176 43970 45728 57160 70352 87940 114320 140704 175880 228640 351760 703520 6283313 12566626 25133252 31416565 50266504 62833130 100533008 125666260 201066016 251332520 502665040 1005330080