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140011740 = 223851197
BaseRepresentation
bin10000101100001…
…10100011011100
3100202110100000000
420112012203130
5241320333430
621520534300
73320036331
oct1026064334
9322410000
10140011740
117203a990
123aa81390
13230127ab
1414848988
15c459e60
hex85868dc

140011740 has 216 divisors, whose sum is σ = 486066672. Its totient is φ = 33592320.

The previous prime is 140011733. The next prime is 140011757. The reversal of 140011740 is 47110041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1443372 + ... + 1443468.

Almost surely, 2140011740 is an apocalyptic number.

140011740 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 140011740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243033336).

140011740 is an abundant number, since it is smaller than the sum of its proper divisors (346054932).

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

140011740 is an equidigital number, since it uses as much as digits as its factorization.

140011740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 140011740 is about 11832.6556613467. The cubic root of 140011740 is about 519.2639240367.

Adding to 140011740 its reverse (47110041), we get a palindrome (187121781).

The spelling of 140011740 in words is "one hundred forty million, eleven thousand, seven hundred forty".