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1142674660 = 22557133733
BaseRepresentation
bin100010000011011…
…1101010011100100
32221122010212221201
41010012331103210
54320011042120
6305215252244
740213401001
oct10406752344
92848125851
101142674660
11537012426
1227a81a084
13152972a6a
14aba8a8a8
156a4b540a
hex441bd4e4

1142674660 has 12 divisors (see below), whose sum is σ = 2399616828. Its totient is φ = 457069856.

The previous prime is 1142674627. The next prime is 1142674679. The reversal of 1142674660 is 664762411.

It can be written as a sum of positive squares in 2 ways, for example, as 192432384 + 950242276 = 13872^2 + 30826^2 .

It is a super-2 number, since 2×11426746602 = 2611410757212231200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28566847 + ... + 28566886.

It is an arithmetic number, because the mean of its divisors is an integer number (199968069).

Almost surely, 21142674660 is an apocalyptic number.

1142674660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142674660 is an abundant number, since it is smaller than the sum of its proper divisors (1256942168).

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

1142674660 is a wasteful number, since it uses less digits than its factorization.

1142674660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57133742 (or 57133740 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1142674660 is about 33803.4711235400. The cubic root of 1142674660 is about 1045.4602674740.

The spelling of 1142674660 in words is "one billion, one hundred forty-two million, six hundred seventy-four thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 57133733 114267466 228534932 285668665 571337330 1142674660