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1115113252 = 221123773853
BaseRepresentation
bin100001001110111…
…0100011100100100
32212201021121210211
41002131310130210
54240432111002
6302352425204
736430210021
oct10235643444
92781247724
101115113252
115224a8100
12271548204
1314a042a36
14a8154548
1567d6ddd7
hex42774724

1115113252 has 72 divisors (see below), whose sum is σ = 2235748088. Its totient is φ = 485844480.

The previous prime is 1115113229. The next prime is 1115113253. The reversal of 1115113252 is 2523115111.

It can be written as a sum of positive squares in 4 ways, for example, as 155600676 + 959512576 = 12474^2 + 30976^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (1115113253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1306858 + ... + 1307710.

Almost surely, 21115113252 is an apocalyptic number.

It is an amenable number.

1115113252 is an abundant number, since it is smaller than the sum of its proper divisors (1120634836).

1115113252 is a wasteful number, since it uses less digits than its factorization.

1115113252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 976 counting only the distinct ones).

The product of its digits is 300, while the sum is 22.

The square root of 1115113252 is about 33393.3114859847. The cubic root of 1115113252 is about 1036.9862367896.

Adding to 1115113252 its reverse (2523115111), we get a palindrome (3638228363).

The spelling of 1115113252 in words is "one billion, one hundred fifteen million, one hundred thirteen thousand, two hundred fifty-two".

Divisors: 1 2 4 11 22 37 44 73 74 121 146 148 242 292 407 484 803 814 853 1606 1628 1706 2701 3212 3412 4477 5402 8833 8954 9383 10804 17666 17908 18766 29711 31561 35332 37532 59422 62269 63122 103213 118844 124538 126244 206426 249076 326821 347171 412852 653642 684959 694342 1307284 1369918 1388684 2303953 2739836 3818881 4607906 7534549 7637762 9215812 15069098 15275524 25343483 30138196 50686966 101373932 278778313 557556626 1115113252