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1143079230 = 235274113901
BaseRepresentation
bin100010000100010…
…0000000100111110
32221122220102220210
41010020200010332
54320112013410
6305232053250
740220004336
oct10410400476
92848812823
101143079230
11537269387
1227a994226
13152a84c57
14abb540c6
156a545220
hex4422013e

1143079230 has 32 divisors (see below), whose sum is σ = 2744588448. Its totient is φ = 304688000.

The previous prime is 1143079229. The next prime is 1143079241. The reversal of 1143079230 is 329703411.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 75280 + ... + 89180.

It is an arithmetic number, because the mean of its divisors is an integer number (85768389).

Almost surely, 21143079230 is an apocalyptic number.

1143079230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143079230 is an abundant number, since it is smaller than the sum of its proper divisors (1601509218).

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

1143079230 is a wasteful number, since it uses less digits than its factorization.

1143079230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16652.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 1143079230 is about 33809.4547427195. The cubic root of 1143079230 is about 1045.5836364922.

The spelling of 1143079230 in words is "one billion, one hundred forty-three million, seventy-nine thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 2741 5482 8223 13705 13901 16446 27410 27802 41115 41703 69505 82230 83406 139010 208515 417030 38102641 76205282 114307923 190513205 228615846 381026410 571539615 1143079230