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143153484 = 22311929457
BaseRepresentation
bin10001000100001…
…01100101001100
3100222100221122220
420202011211030
5243121402414
622112135340
73355533045
oct1042054514
9328327586
10143153484
1173896371
123bb37550
1323872806
14150258cc
15c87aca9
hex888594c

143153484 has 12 divisors (see below), whose sum is σ = 334024824. Its totient is φ = 47717824.

The previous prime is 143153471. The next prime is 143153497. The reversal of 143153484 is 484351341.

It is an interprime number because it is at equal distance from previous prime (143153471) and next prime (143153497).

It is a tau number, because it is divible by the number of its divisors (12).

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, 5964717 + ... + 5964740.

It is an arithmetic number, because the mean of its divisors is an integer number (27835402).

Almost surely, 2143153484 is an apocalyptic number.

It is an amenable number.

143153484 is an abundant number, since it is smaller than the sum of its proper divisors (190871340).

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

143153484 is a wasteful number, since it uses less digits than its factorization.

143153484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929464 (or 11929462 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 143153484 is about 11964.6765104620. The cubic root of 143153484 is about 523.1191765331.

The spelling of 143153484 in words is "one hundred forty-three million, one hundred fifty-three thousand, four hundred eighty-four".

Divisors: 1 2 3 4 6 12 11929457 23858914 35788371 47717828 71576742 143153484