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140455554 = 2337696211
BaseRepresentation
bin10000101111100…
…10111010000010
3100210021212210120
420113302322002
5241424034204
621534241110
73323565261
oct1027627202
9323255716
10140455554
1172313378
123b056196
13231397c5
14149225d8
15c4e66d9
hex85f2e82

140455554 has 16 divisors (see below), whose sum is σ = 281030880. Its totient is φ = 46798560.

The previous prime is 140455531. The next prime is 140455559. The reversal of 140455554 is 455554041.

140455554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140455559) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19509 + ... + 25719.

It is an arithmetic number, because the mean of its divisors is an integer number (17564430).

Almost surely, 2140455554 is an apocalyptic number.

140455554 is an abundant number, since it is smaller than the sum of its proper divisors (140575326).

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

140455554 is a wasteful number, since it uses less digits than its factorization.

140455554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9985.

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 140455554 is about 11851.3946014805. The cubic root of 140455554 is about 519.8120055143.

The spelling of 140455554 in words is "one hundred forty million, four hundred fifty-five thousand, five hundred fifty-four".

Divisors: 1 2 3 6 3769 6211 7538 11307 12422 18633 22614 37266 23409259 46818518 70227777 140455554