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269227140 = 223571323793
BaseRepresentation
bin10000000011000…
…001010010000100
3200202121011012120
4100003001102010
51022410232030
642414245540
76446251530
oct2003012204
9622534176
10269227140
11128a76376
12761b68b0
1343a15100
1427a82bc0
1518981010
hex100c1484

269227140 has 144 divisors (see below), whose sum is σ = 933141888. Its totient is φ = 56788992.

The previous prime is 269227117. The next prime is 269227141. The reversal of 269227140 is 41722962.

269227140 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (269227141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69084 + ... + 72876.

It is an arithmetic number, because the mean of its divisors is an integer number (6480152).

Almost surely, 2269227140 is an apocalyptic number.

269227140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269227140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466570944).

269227140 is an abundant number, since it is smaller than the sum of its proper divisors (663914748).

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

269227140 is a wasteful number, since it uses less digits than its factorization.

269227140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 269227140 is about 16408.1424908489. The cubic root of 269227140 is about 645.7131226928.

The spelling of 269227140 in words is "two hundred sixty-nine million, two hundred twenty-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 169 182 195 210 260 273 338 364 390 420 455 507 546 676 780 845 910 1014 1092 1183 1365 1690 1820 2028 2366 2535 2730 3380 3549 3793 4732 5070 5460 5915 7098 7586 10140 11379 11830 14196 15172 17745 18965 22758 23660 26551 35490 37930 45516 49309 53102 56895 70980 75860 79653 98618 106204 113790 132755 147927 159306 197236 227580 246545 265510 295854 318612 345163 398265 493090 531020 591708 641017 690326 739635 796530 986180 1035489 1282034 1380652 1479270 1593060 1725815 1923051 2070978 2564068 2958540 3205085 3451630 3846102 4141956 4487119 5177445 6410170 6903260 7692204 8974238 9615255 10354890 12820340 13461357 17948476 19230510 20709780 22435595 26922714 38461020 44871190 53845428 67306785 89742380 134613570 269227140