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143404120 = 2356773733
BaseRepresentation
bin10001000110000…
…10110001011000
3100222211200110201
420203002301120
5243202412440
622121351544
73360625546
oct1043026130
9328750421
10143404120
1173a47702
12400385b4
132392c912
141508cd96
15c8ca19a
hex88c2c58

143404120 has 64 divisors (see below), whose sum is σ = 332413920. Its totient is φ = 55655424.

The previous prime is 143404111. The next prime is 143404123. The reversal of 143404120 is 21404341.

143404120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143404123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195274 + ... + 196006.

Almost surely, 2143404120 is an apocalyptic number.

143404120 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 143404120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166206960).

143404120 is an abundant number, since it is smaller than the sum of its proper divisors (189009800).

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

143404120 is a wasteful number, since it uses less digits than its factorization.

143404120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 880 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 143404120 is about 11975.1459281296. The cubic root of 143404120 is about 523.4242943932.

Adding to 143404120 its reverse (21404341), we get a palindrome (164808461).

The spelling of 143404120 in words is "one hundred forty-three million, four hundred four thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 73 134 146 268 292 335 365 536 584 670 730 733 1340 1460 1466 2680 2920 2932 3665 4891 5864 7330 9782 14660 19564 24455 29320 39128 48910 49111 53509 97820 98222 107018 195640 196444 214036 245555 267545 392888 428072 491110 535090 982220 1070180 1964440 2140360 3585103 7170206 14340412 17925515 28680824 35851030 71702060 143404120