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1141230420 = 2232511576379
BaseRepresentation
bin100010000000101…
…1100101101010100
32221112102111211100
41010001130231110
54314123333140
6305124310100
740165204251
oct10401345524
92845374740
101141230420
11536216340
1227a242330
13152588595
14ab7d2428
156a2cc530
hex4405cb54

1141230420 has 72 divisors (see below), whose sum is σ = 3776441760. Its totient is φ = 276661440.

The previous prime is 1141230403. The next prime is 1141230437. The reversal of 1141230420 is 240321411.

1141230420 is a `hidden beast` number, since 1 + 14 + 1 + 230 + 420 = 666.

It is an interprime number because it is at equal distance from previous prime (1141230403) and next prime (1141230437).

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

It is a junction number, because it is equal to n+sod(n) for n = 1141230393 and 1141230402.

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, 286210 + ... + 290169.

It is an arithmetic number, because the mean of its divisors is an integer number (52450580).

Almost surely, 21141230420 is an apocalyptic number.

1141230420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1141230420 is an abundant number, since it is smaller than the sum of its proper divisors (2635211340).

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

1141230420 is a wasteful number, since it uses less digits than its factorization.

1141230420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576405 (or 576400 counting only the distinct ones).

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

The square root of 1141230420 is about 33782.1020660349. The cubic root of 1141230420 is about 1045.0196252505.

Adding to 1141230420 its reverse (240321411), we get a palindrome (1381551831).

Subtracting from 1141230420 its reverse (240321411), we obtain a palindrome (900909009).

The spelling of 1141230420 in words is "one billion, one hundred forty-one million, two hundred thirty thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 576379 1152758 1729137 2305516 2881895 3458274 5187411 5763790 6340169 6916548 8645685 10374822 11527580 12680338 17291370 19020507 20749644 25360676 25937055 31700845 34582740 38041014 51874110 57061521 63401690 76082028 95102535 103748220 114123042 126803380 190205070 228246084 285307605 380410140 570615210 1141230420