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1142122230 = 232573173839
BaseRepresentation
bin100010000010011…
…0110011011110110
32221121002211011100
41010010312123312
54314340402410
6305155350530
740205610264
oct10404663366
92847084140
101142122230
11536775377
1227a5b2446
1315280b492
14ab985434
156a4068c0
hex441366f6

1142122230 has 48 divisors (see below), whose sum is σ = 3010213440. Its totient is φ = 300392064.

The previous prime is 1142122229. The next prime is 1142122291. The reversal of 1142122230 is 322212411.

It is a happy number.

1142122230 is a `hidden beast` number, since 11 + 421 + 2 + 2 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 80350 + ... + 93489.

It is an arithmetic number, because the mean of its divisors is an integer number (62712780).

Almost surely, 21142122230 is an apocalyptic number.

1142122230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142122230 is an abundant number, since it is smaller than the sum of its proper divisors (1868091210).

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

1142122230 is a wasteful number, since it uses less digits than its factorization.

1142122230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173925 (or 173922 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1142122230 is about 33795.2989334316. The cubic root of 1142122230 is about 1045.2917631940.

Adding to 1142122230 its reverse (322212411), we get a palindrome (1464334641).

The spelling of 1142122230 in words is "one billion, one hundred forty-two million, one hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 73 90 146 219 365 438 657 730 1095 1314 2190 3285 6570 173839 347678 521517 869195 1043034 1564551 1738390 2607585 3129102 5215170 7822755 12690247 15645510 25380494 38070741 63451235 76141482 114212223 126902470 190353705 228424446 380707410 571061115 1142122230