Search a number
-
+
1123153260 = 223571263651
BaseRepresentation
bin100001011110001…
…1111010101101100
32220021102002121220
41002330133111230
54300011401020
6303241023340
736555434205
oct10274372554
92807362556
101123153260
11526a99739
12274184b50
1314b8c9438
14a92485ac
156890b240
hex42f1f56c

1123153260 has 48 divisors (see below), whose sum is σ = 3189134592. Its totient is φ = 295288000.

The previous prime is 1123153243. The next prime is 1123153277. The reversal of 1123153260 is 623513211.

It is an interprime number because it is at equal distance from previous prime (1123153243) and next prime (1123153277).

It is a super-2 number, since 2×11231532602 = 2522946490897255200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123153260.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127566 + ... + 136085.

It is an arithmetic number, because the mean of its divisors is an integer number (66440304).

Almost surely, 21123153260 is an apocalyptic number.

1123153260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123153260 is an abundant number, since it is smaller than the sum of its proper divisors (2065981332).

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

1123153260 is a wasteful number, since it uses less digits than its factorization.

1123153260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263734 (or 263732 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1123153260 is about 33513.4787809323. The cubic root of 1123153260 is about 1039.4725074000.

Adding to 1123153260 its reverse (623513211), we get a palindrome (1746666471).

The spelling of 1123153260 in words is "one billion, one hundred twenty-three million, one hundred fifty-three thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 263651 527302 790953 1054604 1318255 1581906 2636510 3163812 3954765 5273020 7909530 15819060 18719221 37438442 56157663 74876884 93596105 112315326 187192210 224630652 280788315 374384420 561576630 1123153260