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143914 = 2471531
BaseRepresentation
bin100011001000101010
321022102011
4203020222
514101124
63030134
71136401
oct431052
9238364
10143914
1199141
126b34a
1350674
143a638
152c994
hex2322a

143914 has 8 divisors (see below), whose sum is σ = 220608. Its totient is φ = 70380.

The previous prime is 143909. The next prime is 143947. The reversal of 143914 is 419341.

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

It is a super-2 number, since 2×1439142 = 41422478792, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 672 + ... + 859.

It is an arithmetic number, because the mean of its divisors is an integer number (27576).

2143914 is an apocalyptic number.

143914 is a deficient number, since it is larger than the sum of its proper divisors (76694).

143914 is a wasteful number, since it uses less digits than its factorization.

143914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580.

The product of its digits is 432, while the sum is 22.

The square root of 143914 is about 379.3599873471. The cubic root of 143914 is about 52.4043913729.

The spelling of 143914 in words is "one hundred forty-three thousand, nine hundred fourteen".

Divisors: 1 2 47 94 1531 3062 71957 143914