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143968624 = 24194011181
BaseRepresentation
bin10001001010011…
…00100101110000
3101000220100211021
420211030211300
5243323443444
622141425224
73365466412
oct1045144560
9330810737
10143968624
11742a2838
124026b214
1323a99847
14151989b2
15c98c584
hex894c970

143968624 has 40 divisors (see below), whose sum is σ = 294601680. Its totient is φ = 67968000.

The previous prime is 143968553. The next prime is 143968633. The reversal of 143968624 is 426869341.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121314 + ... + 122494.

It is an arithmetic number, because the mean of its divisors is an integer number (7365042).

Almost surely, 2143968624 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 143968624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147300840).

143968624 is an abundant number, since it is smaller than the sum of its proper divisors (150633056).

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

143968624 is a wasteful number, since it uses less digits than its factorization.

143968624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609 (or 1603 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 143968624 is about 11998.6925954456. The cubic root of 143968624 is about 524.1102073812.

The spelling of 143968624 in words is "one hundred forty-three million, nine hundred sixty-eight thousand, six hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 401 802 1181 1604 2362 3208 4724 6416 7619 9448 15238 18896 22439 30476 44878 60952 89756 121904 179512 359024 473581 947162 1894324 3788648 7577296 8998039 17996078 35992156 71984312 143968624