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140323050 = 23352731479
BaseRepresentation
bin10000101110100…
…10100011101010
3100210001011001000
420113102203222
5241410314200
621531335430
73322504050
oct1027224352
9323034030
10140323050
117223286a
123abb1576
13230c13ba
14148ca1d0
15c4bc300
hex85d28ea

140323050 has 192 divisors, whose sum is σ = 457113600. Its totient is φ = 30974400.

The previous prime is 140323031. The next prime is 140323067. The reversal of 140323050 is 50323041.

It is a super-2 number, since 2×1403230502 = 39381116722605000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon 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 95 ways as a sum of consecutive naturals, for example, 292711 + ... + 293189.

It is an arithmetic number, because the mean of its divisors is an integer number (2380800).

Almost surely, 2140323050 is an apocalyptic number.

140323050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140323050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228556800).

140323050 is an abundant number, since it is smaller than the sum of its proper divisors (316790550).

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

140323050 is a wasteful number, since it uses less digits than its factorization.

140323050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 140323050 is about 11845.8030542467. The cubic root of 140323050 is about 519.6484927193.

Adding to 140323050 its reverse (50323041), we get a palindrome (190646091).

Subtracting from 140323050 its reverse (50323041), we obtain a palindrome (90000009).

The spelling of 140323050 in words is "one hundred forty million, three hundred twenty-three thousand, fifty".