Search a number
-
+
1145316660 = 223528167931
BaseRepresentation
bin100010001000100…
…0010010100110100
32221211010010002120
41010101002110310
54321200113120
6305352035540
740245013425
oct10421022464
92854103076
101145316660
115385573a4
1227b692bb0
13153389487
14ac17764c
156a838140
hex44442534

1145316660 has 48 divisors (see below), whose sum is σ = 3218346432. Its totient is φ = 304326400.

The previous prime is 1145316649. The next prime is 1145316701. The reversal of 1145316660 is 666135411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17106 + ... + 50825.

It is an arithmetic number, because the mean of its divisors is an integer number (67048884).

Almost surely, 21145316660 is an apocalyptic number.

1145316660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145316660 is an abundant number, since it is smaller than the sum of its proper divisors (2073029772).

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

1145316660 is a wasteful number, since it uses less digits than its factorization.

1145316660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68224 (or 68222 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1145316660 is about 33842.5273878887. The cubic root of 1145316660 is about 1046.2653901920.

The spelling of 1145316660 in words is "one billion, one hundred forty-five million, three hundred sixteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 281 562 843 1124 1405 1686 2810 3372 4215 5620 8430 16860 67931 135862 203793 271724 339655 407586 679310 815172 1018965 1358620 2037930 4075860 19088611 38177222 57265833 76354444 95443055 114531666 190886110 229063332 286329165 381772220 572658330 1145316660