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143023044 = 2235324243
BaseRepresentation
bin10001000011001…
…01101111000100
3100222010022201210
420201211233010
5243103214134
622105251420
73354450543
oct1041455704
9328108653
10143023044
117380736a
123ba93b70
1323828328
1414dd015a
15c8522e9
hex8865bc4

143023044 has 36 divisors (see below), whose sum is σ = 340216016. Its totient is φ = 46763808.

The previous prime is 143023043. The next prime is 143023061. The reversal of 143023044 is 440320341.

It is a super-2 number, since 2×1430230442 = 40911182230051872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143023044.

It is not an unprimeable number, because it can be changed into a prime (143023043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31587 + ... + 35829.

Almost surely, 2143023044 is an apocalyptic number.

It is an amenable number.

143023044 is an abundant number, since it is smaller than the sum of its proper divisors (197192972).

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

143023044 is a wasteful number, since it uses less digits than its factorization.

143023044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4301 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 143023044 is about 11959.2242223315. The cubic root of 143023044 is about 522.9602412905.

Adding to 143023044 its reverse (440320341), we get a palindrome (583343385).

The spelling of 143023044 in words is "one hundred forty-three million, twenty-three thousand, forty-four".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 2809 4243 5618 8427 8486 11236 12729 16854 16972 25458 33708 50916 224879 449758 674637 899516 1349274 2698548 11918587 23837174 35755761 47674348 71511522 143023044