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143166420 = 22335265123
BaseRepresentation
bin10001000100010…
…00101111010100
3100222101121102000
420202020233110
5243122311140
622112315300
73355615545
oct1042105724
9328347360
10143166420
11738a5061
123bb42b30
1323878677
141502a4cc
15c87ea30
hex8888bd4

143166420 has 48 divisors (see below), whose sum is σ = 445408320. Its totient is φ = 38177568.

The previous prime is 143166347. The next prime is 143166427. The reversal of 143166420 is 24661341.

143166420 is a `hidden beast` number, since 1 + 4 + 3 + 16 + 642 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143166427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132022 + ... + 133101.

It is an arithmetic number, because the mean of its divisors is an integer number (9279340).

Almost surely, 2143166420 is an apocalyptic number.

143166420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143166420 is an abundant number, since it is smaller than the sum of its proper divisors (302241900).

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

143166420 is a wasteful number, since it uses less digits than its factorization.

143166420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265141 (or 265133 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 143166420 is about 11965.2170895475. The cubic root of 143166420 is about 523.1349332012.

It can be divided in two parts, 14316 and 6420, that added together give a 4-th power (20736 = 124).

The spelling of 143166420 in words is "one hundred forty-three million, one hundred sixty-six thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 265123 530246 795369 1060492 1325615 1590738 2386107 2651230 3181476 3976845 4772214 5302460 7158321 7953690 9544428 11930535 14316642 15907380 23861070 28633284 35791605 47722140 71583210 143166420