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143713639 = 475036079
BaseRepresentation
bin10001001000011…
…10010101100111
3101000102102001101
420210032111213
5243242314024
622132140531
73363355126
oct1044162547
9330372041
10143713639
1174139203
1240167747
1323a0a774
141512dabd
15c93bc44
hex890e567

143713639 has 8 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 140353176.

The previous prime is 143713573. The next prime is 143713643. The reversal of 143713639 is 936317341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143713639 is a prime.

It is a super-2 number, since 2×1437136392 = 41307220069244642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143713598 and 143713607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143713139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20602 + ... + 26680.

It is an arithmetic number, because the mean of its divisors is an integer number (18385920).

Almost surely, 2143713639 is an apocalyptic number.

143713639 is a deficient number, since it is larger than the sum of its proper divisors (3373721).

143713639 is an equidigital number, since it uses as much as digits as its factorization.

143713639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6629.

The product of its digits is 40824, while the sum is 37.

The square root of 143713639 is about 11988.0623538585. The cubic root of 143713639 is about 523.8006046991.

The spelling of 143713639 in words is "one hundred forty-three million, seven hundred thirteen thousand, six hundred thirty-nine".

Divisors: 1 47 503 6079 23641 285713 3057737 143713639