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143141320 = 23574773149
BaseRepresentation
bin10001000100000…
…10100111001000
3100222100022222101
420202002213020
5243121010240
622112003144
73355452430
oct1042024710
9328308871
10143141320
1173888213
123bb304b4
132386a10a
14150212c0
15c87739a
hex88829c8

143141320 has 128 divisors (see below), whose sum is σ = 383616000. Its totient is φ = 47056896.

The previous prime is 143141311. The next prime is 143141329. The reversal of 143141320 is 23141341.

It is an interprime number because it is at equal distance from previous prime (143141311) and next prime (143141329).

It is not an unprimeable number, because it can be changed into a prime (143141329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 960606 + ... + 960754.

It is an arithmetic number, because the mean of its divisors is an integer number (2997000).

Almost surely, 2143141320 is an apocalyptic number.

143141320 is a gapful number since it is divisible by the number (10) 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 143141320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191808000).

143141320 is an abundant number, since it is smaller than the sum of its proper divisors (240474680).

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

143141320 is a wasteful number, since it uses less digits than its factorization.

143141320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 143141320 is about 11964.1681699983. The cubic root of 143141320 is about 523.1043593319.

Adding to 143141320 its reverse (23141341), we get a palindrome (166282661).

The spelling of 143141320 in words is "one hundred forty-three million, one hundred forty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 47 56 70 73 94 140 146 149 188 235 280 292 298 329 365 376 470 511 584 596 658 730 745 940 1022 1043 1192 1316 1460 1490 1645 1880 2044 2086 2555 2632 2920 2980 3290 3431 4088 4172 5110 5215 5960 6580 6862 7003 8344 10220 10430 10877 13160 13724 14006 17155 20440 20860 21754 24017 27448 28012 34310 35015 41720 43508 48034 49021 54385 56024 68620 70030 76139 87016 96068 98042 108770 120085 137240 140060 152278 192136 196084 217540 240170 245105 280120 304556 380695 392168 435080 480340 490210 511219 609112 761390 960680 980420 1022438 1522780 1960840 2044876 2556095 3045560 3578533 4089752 5112190 7157066 10224380 14314132 17892665 20448760 28628264 35785330 71570660 143141320