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143980032 = 293721913
BaseRepresentation
bin10001001010011…
…11011000000000
3101000220221110210
420211033120000
5243324330112
622141554120
73365544600
oct1045173000
9330827423
10143980032
1174300369
1240275940
1323aa1ab1
141519cc00
15c990b3c
hex894f600

143980032 has 120 divisors (see below), whose sum is σ = 446429016. Its totient is φ = 41115648.

The previous prime is 143979989. The next prime is 143980033. The reversal of 143980032 is 230089341.

It is a super-2 number, since 2×1439800322 = 41460499229442048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143980033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74308 + ... + 76220.

Almost surely, 2143980032 is an apocalyptic number.

143980032 is a gapful number since it is divisible by the number (12) 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 143980032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223214508).

143980032 is an abundant number, since it is smaller than the sum of its proper divisors (302448984).

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

143980032 is an equidigital number, since it uses as much as digits as its factorization.

143980032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948 (or 1925 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 143980032 is about 11999.1679711553. The cubic root of 143980032 is about 524.1240504236.

The spelling of 143980032 in words is "one hundred forty-three million, nine hundred eighty thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 64 84 96 98 112 128 147 168 192 196 224 256 294 336 384 392 448 512 588 672 768 784 896 1176 1344 1536 1568 1792 1913 2352 2688 3136 3584 3826 4704 5376 5739 6272 7652 9408 10752 11478 12544 13391 15304 18816 22956 25088 26782 30608 37632 40173 45912 53564 61216 75264 80346 91824 93737 107128 122432 160692 183648 187474 214256 244864 281211 321384 367296 374948 428512 489728 562422 642768 734592 749896 857024 979456 1124844 1285536 1469184 1499792 1714048 2249688 2571072 2938368 2999584 3428096 4499376 5142144 5999168 6856192 8998752 10284288 11998336 17997504 20568576 23996672 35995008 47993344 71990016 143980032