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143161074 = 2337378733
BaseRepresentation
bin10001000100001…
…11011011110010
3100222101100002000
420202013123302
5243122123244
622112234430
73355564140
oct1042073362
9328340060
10143161074
11738a1041
123bb3ba16
13238760c4
1415028590
15c87d169
hex88876f2

143161074 has 32 divisors (see below), whose sum is σ = 363584640. Its totient is φ = 40903056.

The previous prime is 143161037. The next prime is 143161091. The reversal of 143161074 is 470161341.

It is a happy number.

143161074 is a `hidden beast` number, since 1 + 43 + 1 + 610 + 7 + 4 = 666.

It is a super-4 number, since 4×1431610744 (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 188989 + ... + 189744.

It is an arithmetic number, because the mean of its divisors is an integer number (11362020).

Almost surely, 2143161074 is an apocalyptic number.

143161074 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143161074 is an abundant number, since it is smaller than the sum of its proper divisors (220423566).

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

143161074 is a wasteful number, since it uses less digits than its factorization.

143161074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378751 (or 378745 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 143161074 is about 11964.9936899273. The cubic root of 143161074 is about 523.1284216320.

The spelling of 143161074 in words is "one hundred forty-three million, one hundred sixty-one thousand, seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 378733 757466 1136199 2272398 2651131 3408597 5302262 6817194 7953393 10225791 15906786 20451582 23860179 47720358 71580537 143161074