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1111452152 = 23138931519
BaseRepresentation
bin100001000111111…
…0110100111111000
32212110101121201112
41002033312213320
54234012432102
6302142135452
736354121166
oct10217664770
92773347645
101111452152
115204274a8
12270281588
131493604c5
14a7880236
1567899252
hex423f69f8

1111452152 has 8 divisors (see below), whose sum is σ = 2083972800. Its totient is φ = 555726072.

The previous prime is 1111452151. The next prime is 1111452157. The reversal of 1111452152 is 2512541111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11114521522 = 2470651772370862208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111452151) by changing a digit.

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 as a sum of consecutive naturals, namely, 69465752 + ... + 69465767.

It is an arithmetic number, because the mean of its divisors is an integer number (260496600).

Almost surely, 21111452152 is an apocalyptic number.

It is an amenable number.

1111452152 is a deficient number, since it is larger than the sum of its proper divisors (972520648).

1111452152 is a wasteful number, since it uses less digits than its factorization.

1111452152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138931525 (or 138931521 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The square root of 1111452152 is about 33338.4485541844. The cubic root of 1111452152 is about 1035.8501271448.

Adding to 1111452152 its reverse (2512541111), we get a palindrome (3623993263).

The spelling of 1111452152 in words is "one billion, one hundred eleven million, four hundred fifty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 138931519 277863038 555726076 1111452152