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269797140 = 223251788169
BaseRepresentation
bin10000000101001…
…100011100010100
3200210200010002200
4100011030130110
51023032002030
642434404500
76454144404
oct2005143424
9623603080
10269797140
11129325648
1276430730
1343b846a2
1427b90804
1518a44d60
hex1014c714

269797140 has 72 divisors (see below), whose sum is σ = 866534760. Its totient is φ = 67713024.

The previous prime is 269797103. The next prime is 269797217. The reversal of 269797140 is 41797962.

It can be written as a sum of positive squares in 4 ways, for example, as 56520324 + 213276816 = 7518^2 + 14604^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 41025 + ... + 47144.

It is an arithmetic number, because the mean of its divisors is an integer number (12035205).

Almost surely, 2269797140 is an apocalyptic number.

269797140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

269797140 is an abundant number, since it is smaller than the sum of its proper divisors (596737620).

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

269797140 is a wasteful number, since it uses less digits than its factorization.

269797140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88201 (or 88196 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 269797140 is about 16425.5027320323. The cubic root of 269797140 is about 646.1684965935.

The spelling of 269797140 in words is "two hundred sixty-nine million, seven hundred ninety-seven thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 17 18 20 30 34 36 45 51 60 68 85 90 102 153 170 180 204 255 306 340 510 612 765 1020 1530 3060 88169 176338 264507 352676 440845 529014 793521 881690 1058028 1322535 1498873 1587042 1763380 2645070 2997746 3174084 3967605 4496619 5290140 5995492 7494365 7935210 8993238 13489857 14988730 15870420 17986476 22483095 26979714 29977460 44966190 53959428 67449285 89932380 134898570 269797140