[go: up one dir, main page]

Search a number
-
+
143355040 = 2552273947
BaseRepresentation
bin10001000101101…
…10110010100000
3100222202012010221
420202312302200
5243144330130
622120332424
73360332503
oct1042666240
9328665127
10143355040
1173a13844
1240014114
132391348a
141507913a
15c8ba87a
hex88b6ca0

143355040 has 48 divisors (see below), whose sum is σ = 340254432. Its totient is φ = 57074944.

The previous prime is 143355031. The next prime is 143355041. The reversal of 143355040 is 40553341.

It is a junction number, because it is equal to n+sod(n) for n = 143354996 and 143355014.

It is not an unprimeable number, because it can be changed into a prime (143355041) 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 7 ways as a sum of consecutive naturals, for example, 34347 + ... + 38293.

It is an arithmetic number, because the mean of its divisors is an integer number (7088634).

Almost surely, 2143355040 is an apocalyptic number.

143355040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143355040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170127216).

143355040 is an abundant number, since it is smaller than the sum of its proper divisors (196899392).

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

143355040 is a wasteful number, since it uses less digits than its factorization.

143355040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189 (or 4181 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 143355040 is about 11973.0965084225. The cubic root of 143355040 is about 523.3645736644.

The spelling of 143355040 in words is "one hundred forty-three million, three hundred fifty-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 227 454 908 1135 1816 2270 3632 3947 4540 7264 7894 9080 15788 18160 19735 31576 36320 39470 63152 78940 126304 157880 315760 631520 895969 1791938 3583876 4479845 7167752 8959690 14335504 17919380 28671008 35838760 71677520 143355040