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143215004 = 22173795557
BaseRepresentation
bin10001000100101…
…00100110011100
3100222111002001102
420202110212130
5243130340004
622113332232
73356210312
oct1042244634
9328432042
10143215004
1173928609
123bb67078
132389480a
14150400b2
15c88e11e
hex889499c

143215004 has 24 divisors (see below), whose sum is σ = 266117040. Its totient is φ = 67205376.

The previous prime is 143214959. The next prime is 143215019. The reversal of 143215004 is 400512341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22994 + ... + 28550.

It is an arithmetic number, because the mean of its divisors is an integer number (11088210).

Almost surely, 2143215004 is an apocalyptic number.

It is an amenable number.

143215004 is a deficient number, since it is larger than the sum of its proper divisors (122902036).

143215004 is a wasteful number, since it uses less digits than its factorization.

143215004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5957 (or 5955 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 143215004 is about 11967.2471354109. The cubic root of 143215004 is about 523.1941023675.

Adding to 143215004 its reverse (400512341), we get a palindrome (543727345).

The spelling of 143215004 in words is "one hundred forty-three million, two hundred fifteen thousand, four".

Divisors: 1 2 4 17 34 68 379 758 1516 5557 6443 11114 12886 22228 25772 94469 188938 377876 2106103 4212206 8424412 35803751 71607502 143215004