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1145013660 = 223257908741
BaseRepresentation
bin100010000111111…
…1000010110011100
32221210112201110100
41010033320112130
54321110414120
6305341341100
740242312150
oct10417702634
92853481410
101145013660
1153836a78a
1227b567790
131532b159b
14ac0d9060
156a7c8490
hex443f859c

1145013660 has 72 divisors (see below), whose sum is σ = 3969385056. Its totient is φ = 261717120.

The previous prime is 1145013659. The next prime is 1145013673. The reversal of 1145013660 is 663105411.

It is a super-2 number, since 2×11450136602 = 2622112563173191200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453111 + ... + 455630.

It is an arithmetic number, because the mean of its divisors is an integer number (55130348).

Almost surely, 21145013660 is an apocalyptic number.

1145013660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1145013660 is an abundant number, since it is smaller than the sum of its proper divisors (2824371396).

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

1145013660 is a wasteful number, since it uses less digits than its factorization.

1145013660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908763 (or 908758 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1145013660 is about 33838.0504757588. The cubic root of 1145013660 is about 1046.1731169122.

The spelling of 1145013660 in words is "one billion, one hundred forty-five million, thirteen thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 908741 1817482 2726223 3634964 4543705 5452446 6361187 8178669 9087410 10904892 12722374 13631115 16357338 18174820 19083561 25444748 27262230 31805935 32714676 38167122 40893345 54524460 57250683 63611870 76334244 81786690 95417805 114501366 127223740 163573380 190835610 229002732 286253415 381671220 572506830 1145013660