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143354420 = 22511743877
BaseRepresentation
bin10001000101101…
…10101000110100
3100222202011021222
420202312220310
5243144320140
622120325512
73360330626
oct1042665064
9328664258
10143354420
1173a13330
1240013898
1323913101
1415078c16
15c8ba5b5
hex88b6a34

143354420 has 48 divisors (see below), whose sum is σ = 329228928. Its totient is φ = 51999360.

The previous prime is 143354413. The next prime is 143354461. The reversal of 143354420 is 24453341.

It is a self number, because there is not a number n which added to its sum of digits gives 143354420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163022 + ... + 163898.

It is an arithmetic number, because the mean of its divisors is an integer number (6858936).

Almost surely, 2143354420 is an apocalyptic number.

143354420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143354420 is an abundant number, since it is smaller than the sum of its proper divisors (185874508).

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

143354420 is a wasteful number, since it uses less digits than its factorization.

143354420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1638 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 143354420 is about 11973.0706170138. The cubic root of 143354420 is about 523.3638191589.

The spelling of 143354420 in words is "one hundred forty-three million, three hundred fifty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 743 877 1486 1754 2972 3508 3715 4385 7430 8173 8770 9647 14860 16346 17540 19294 32692 38588 40865 48235 81730 96470 163460 192940 651611 1303222 2606444 3258055 6516110 7167721 13032220 14335442 28670884 35838605 71677210 143354420