Search a number
-
+
143030900 = 225229313743
BaseRepresentation
bin10001000011001…
…11101001110100
3100222010201111202
420201213221310
5243103442100
622105352032
73354512465
oct1041475164
9328121452
10143030900
1173812261
123ba98618
132382ba8c
1414dd2d6c
15c8547d5
hex8867a74

143030900 has 144 divisors (see below), whose sum is σ = 348311040. Its totient is φ = 50803200.

The previous prime is 143030897. The next prime is 143030933. The reversal of 143030900 is 9030341.

143030900 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3326279 + ... + 3326321.

Almost surely, 2143030900 is an apocalyptic number.

143030900 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 143030900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174155520).

143030900 is an abundant number, since it is smaller than the sum of its proper divisors (205280140).

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

143030900 is a wasteful number, since it uses less digits than its factorization.

143030900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 143030900 is about 11959.5526672196. The cubic root of 143030900 is about 522.9698162054.

The spelling of 143030900 in words is "one hundred forty-three million, thirty thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 29 31 37 43 50 58 62 74 86 100 116 124 145 148 155 172 185 215 290 310 370 430 580 620 725 740 775 860 899 925 1073 1075 1147 1247 1333 1450 1550 1591 1798 1850 2146 2150 2294 2494 2666 2900 3100 3182 3596 3700 4292 4300 4495 4588 4988 5332 5365 5735 6235 6364 6665 7955 8990 10730 11470 12470 13330 15910 17980 21460 22475 22940 24940 26660 26825 28675 31175 31820 33263 33325 38657 39775 44950 46139 49321 53650 57350 62350 66526 66650 77314 79550 89900 92278 98642 107300 114700 124700 133052 133300 154628 159100 166315 184556 193285 197284 230695 246605 332630 386570 461390 493210 665260 773140 831575 922780 966425 986420 1153475 1233025 1430309 1663150 1932850 2306950 2466050 2860618 3326300 3865700 4613900 4932100 5721236 7151545 14303090 28606180 35757725 71515450 143030900