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143275434 = 2323879239
BaseRepresentation
bin10001000101000…
…11010110101010
3100222121010221120
420202203112222
5243134303214
622114520110
73356551431
oct1042432652
9328533846
10143275434
1173969a55
123bb96036
13238b6183
1415058118
15c8a1ea9
hex88a35aa

143275434 has 8 divisors (see below), whose sum is σ = 286550880. Its totient is φ = 47758476.

The previous prime is 143275393. The next prime is 143275537. The reversal of 143275434 is 434572341.

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

143275434 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 143275395 and 143275404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11939614 + ... + 11939625.

It is an arithmetic number, because the mean of its divisors is an integer number (35818860).

Almost surely, 2143275434 is an apocalyptic number.

143275434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

143275434 is a wasteful number, since it uses less digits than its factorization.

143275434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23879244.

The product of its digits is 40320, while the sum is 33.

The square root of 143275434 is about 11969.7716770204. The cubic root of 143275434 is about 523.2676797927.

The spelling of 143275434 in words is "one hundred forty-three million, two hundred seventy-five thousand, four hundred thirty-four".

Divisors: 1 2 3 6 23879239 47758478 71637717 143275434