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1151522152 = 231121577577
BaseRepresentation
bin100010010100010…
…1101010101101000
32222020210101102121
41010220231111220
54324242202102
6310133041024
740351530304
oct10450552550
92866711377
101151522152
11541005700
12281786174
1315474cb71
14acd10d04
156b161b37
hex44a2d568

1151522152 has 48 divisors (see below), whose sum is σ = 2388661380. Its totient is φ = 520016640.

The previous prime is 1151522129. The next prime is 1151522153. The reversal of 1151522152 is 2512251511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 925741476 + 225780676 = 30426^2 + 15026^2 .

It is a super-2 number, since 2×11515221522 = 2652006533093422208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1151522153) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 148188 + ... + 155764.

Almost surely, 21151522152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151522152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1194330690).

1151522152 is an abundant number, since it is smaller than the sum of its proper divisors (1237139228).

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

1151522152 is a wasteful number, since it uses less digits than its factorization.

1151522152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7762 (or 7747 counting only the distinct ones).

The product of its digits is 1000, while the sum is 25.

The square root of 1151522152 is about 33934.0854009652. The cubic root of 1151522152 is about 1048.1515936527.

Adding to 1151522152 its reverse (2512251511), we get a palindrome (3663773663).

The spelling of 1151522152 in words is "one billion, one hundred fifty-one million, five hundred twenty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 11 22 44 88 121 157 242 314 484 628 968 1256 1727 3454 6908 7577 13816 15154 18997 30308 37994 60616 75988 83347 151976 166694 333388 666776 916817 1189589 1833634 2379178 3667268 4758356 7334536 9516712 13085479 26170958 52341916 104683832 143940269 287880538 575761076 1151522152