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143496396 = 223231711811
BaseRepresentation
bin10001000110110…
…01010011001100
3101000000101001100
420203121103030
5243213341041
622123343100
73361461561
oct1043312314
9330011040
10143496396
1173aaaa6a
1240081a90
1323962914
14150b4868
15c8e76b6
hex88d94cc

143496396 has 72 divisors (see below), whose sum is σ = 379911168. Its totient is φ = 45612000.

The previous prime is 143496389. The next prime is 143496401. The reversal of 143496396 is 693694341.

143496396 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 9 + 639 + 6 = 666.

It is a nude number because it is divisible by every one of its digits.

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, 78331 + ... + 80141.

It is an arithmetic number, because the mean of its divisors is an integer number (5276544).

Almost surely, 2143496396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143496396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189955584).

143496396 is an abundant number, since it is smaller than the sum of its proper divisors (236414772).

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

143496396 is a wasteful number, since it uses less digits than its factorization.

143496396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923 (or 1918 counting only the distinct ones).

The product of its digits is 419904, while the sum is 45.

The square root of 143496396 is about 11978.9981217129. The cubic root of 143496396 is about 523.5365392951.

Adding to 143496396 its sum of digits (45), we get a square (143496441 = 119792).

The spelling of 143496396 in words is "one hundred forty-three million, four hundred ninety-six thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 9 12 18 31 36 62 71 93 124 142 186 213 279 284 372 426 558 639 852 1116 1278 1811 2201 2556 3622 4402 5433 6603 7244 8804 10866 13206 16299 19809 21732 26412 32598 39618 56141 65196 79236 112282 128581 168423 224564 257162 336846 385743 505269 514324 673692 771486 1010538 1157229 1542972 2021076 2314458 3986011 4628916 7972022 11958033 15944044 23916066 35874099 47832132 71748198 143496396