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143430419 = 11128310163
BaseRepresentation
bin10001000110010…
…01001100010011
3100222220000112202
420203021030103
5243204233134
622122113415
73361065326
oct1043111423
9328800482
10143430419
1173a65440
124004b86b
132393b892
14150987bd
15c8d2d7e
hex88c9313

143430419 has 8 divisors (see below), whose sum is σ = 156606912. Its totient is φ = 130276840.

The previous prime is 143430379. The next prime is 143430431. The reversal of 143430419 is 914034341.

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-143430419 is a prime.

It is a super-2 number, since 2×1434304192 = 41144570189031122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143430391 and 143430400.

It is not an unprimeable number, because it can be changed into a prime (143430319) by changing a digit.

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, 9032 + ... + 19194.

It is an arithmetic number, because the mean of its divisors is an integer number (19575864).

Almost surely, 2143430419 is an apocalyptic number.

143430419 is a deficient number, since it is larger than the sum of its proper divisors (13176493).

143430419 is a wasteful number, since it uses less digits than its factorization.

143430419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11457.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 143430419 is about 11976.2439437413. The cubic root of 143430419 is about 523.4562895086.

The spelling of 143430419 in words is "one hundred forty-three million, four hundred thirty thousand, four hundred nineteen".

Divisors: 1 11 1283 10163 14113 111793 13039129 143430419