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143460340 = 2257173017
BaseRepresentation
bin10001000110100…
…00011111110100
3100222221112120221
420203100133310
5243211212330
622122504124
73361251502
oct1043203764
9328845527
10143460340
1173a85971
1240065044
132394c39a
14150a5672
15c8dbb7a
hex88d07f4

143460340 has 12 divisors (see below), whose sum is σ = 301266756. Its totient is φ = 57384128.

The previous prime is 143460337. The next prime is 143460379. The reversal of 143460340 is 43064341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61811044 + 81649296 = 7862^2 + 9036^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3586489 + ... + 3586528.

It is an arithmetic number, because the mean of its divisors is an integer number (25105563).

Almost surely, 2143460340 is an apocalyptic number.

143460340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143460340 is an abundant number, since it is smaller than the sum of its proper divisors (157806416).

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

143460340 is a wasteful number, since it uses less digits than its factorization.

143460340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173026 (or 7173024 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 143460340 is about 11977.4930599020. The cubic root of 143460340 is about 523.4926863594.

The spelling of 143460340 in words is "one hundred forty-three million, four hundred sixty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 7173017 14346034 28692068 35865085 71730170 143460340