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1142837412 = 22395236451
BaseRepresentation
bin100010000011110…
…0101000010100100
32221122110011012120
41010013211002210
54320031244122
6305222545540
740214646333
oct10407450244
92848404176
101142837412
11537113732
1227a8982b0
131529cbb72
14abacdd1a
156a4e875c
hex441e50a4

1142837412 has 12 divisors (see below), whose sum is σ = 2666620656. Its totient is φ = 380945800.

The previous prime is 1142837407. The next prime is 1142837419. The reversal of 1142837412 is 2147382411.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1142837419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47618214 + ... + 47618237.

It is an arithmetic number, because the mean of its divisors is an integer number (222218388).

Almost surely, 21142837412 is an apocalyptic number.

1142837412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142837412 is an abundant number, since it is smaller than the sum of its proper divisors (1523783244).

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

1142837412 is a wasteful number, since it uses less digits than its factorization.

1142837412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95236458 (or 95236456 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 1142837412 is about 33805.8783645685. The cubic root of 1142837412 is about 1045.5099003449.

The spelling of 1142837412 in words is "one billion, one hundred forty-two million, eight hundred thirty-seven thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 95236451 190472902 285709353 380945804 571418706 1142837412