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143448916 = 22132758633
BaseRepresentation
bin10001000110011…
…01101101010100
3100222220221220211
420203031231110
5243210331131
622122335204
73361203262
oct1043155524
9328827824
10143448916
1173a78326
124005a504
1323947120
14150a1432
15c8d85b1
hex88cdb54

143448916 has 12 divisors (see below), whose sum is σ = 270346132. Its totient is φ = 66207168.

The previous prime is 143448901. The next prime is 143448931. The reversal of 143448916 is 619844341.

It is an interprime number because it is at equal distance from previous prime (143448901) and next prime (143448931).

It can be written as a sum of positive squares in 2 ways, for example, as 14853316 + 128595600 = 3854^2 + 11340^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1379265 + ... + 1379368.

Almost surely, 2143448916 is an apocalyptic number.

It is an amenable number.

143448916 is a deficient number, since it is larger than the sum of its proper divisors (126897216).

143448916 is a wasteful number, since it uses less digits than its factorization.

143448916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2758650 (or 2758648 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 143448916 is about 11977.0161559547. The cubic root of 143448916 is about 523.4787904418.

The spelling of 143448916 in words is "one hundred forty-three million, four hundred forty-eight thousand, nine hundred sixteen".

Divisors: 1 2 4 13 26 52 2758633 5517266 11034532 35862229 71724458 143448916