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1142250152 = 23142781269
BaseRepresentation
bin100010000010101…
…0101101010101000
32221121100022122012
41010011111222220
54314404001102
6305202215052
740206652241
oct10405255250
92847308565
101142250152
1153685249a
1227a654488
13152854784
14ab9b9cc8
156a42e752
hex44155aa8

1142250152 has 8 divisors (see below), whose sum is σ = 2141719050. Its totient is φ = 571125072.

The previous prime is 1142250143. The next prime is 1142250191. The reversal of 1142250152 is 2510522411.

It can be written as a sum of positive squares in only one way, i.e., 1123188196 + 19061956 = 33514^2 + 4366^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71390627 + ... + 71390642.

Almost surely, 21142250152 is an apocalyptic number.

It is an amenable number.

1142250152 is a deficient number, since it is larger than the sum of its proper divisors (999468898).

1142250152 is a wasteful number, since it uses less digits than its factorization.

1142250152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142781275 (or 142781271 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1142250152 is about 33797.1914809500. The cubic root of 1142250152 is about 1045.3307872779.

Adding to 1142250152 its reverse (2510522411), we get a palindrome (3652772563).

The spelling of 1142250152 in words is "one billion, one hundred forty-two million, two hundred fifty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 142781269 285562538 571125076 1142250152