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140455224 = 233271321797
BaseRepresentation
bin10000101111100…
…10110100111000
3100210021212100100
420113302310320
5241424031344
621534235400
73323564310
oct1027626470
9323255310
10140455224
11723130a8
123b055b60
1323139600
1414922440
15c4e6569
hex85f2d38

140455224 has 288 divisors, whose sum is σ = 503586720. Its totient is φ = 34504704.

The previous prime is 140455213. The next prime is 140455267. The reversal of 140455224 is 422554041.

140455224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1447944 + ... + 1448040.

It is an arithmetic number, because the mean of its divisors is an integer number (1748565).

Almost surely, 2140455224 is an apocalyptic number.

140455224 is a gapful number since it is divisible by the number (14) 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 140455224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251793360).

140455224 is an abundant number, since it is smaller than the sum of its proper divisors (363131496).

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

140455224 is a wasteful number, since it uses less digits than its factorization.

140455224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 140455224 is about 11851.3806790601. The cubic root of 140455224 is about 519.8115984150.

The spelling of 140455224 in words is "one hundred forty million, four hundred fifty-five thousand, two hundred twenty-four".