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140503055 = 5711364943
BaseRepresentation
bin10000101111111…
…10100000001111
3100210101021221212
420113332200033
5241432044210
621535245035
73324153620
oct1027764017
9323337855
10140503055
1172346030
123b07977b
1323155304
1414935a47
15c505805
hex85fe80f

140503055 has 16 divisors (see below), whose sum is σ = 210207744. Its totient is φ = 87586080.

The previous prime is 140503049. The next prime is 140503073. The reversal of 140503055 is 550305041.

It is not a de Polignac number, because 140503055 - 24 = 140503039 is a prime.

It is a super-2 number, since 2×1405030552 = 39482216928666050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140503055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182087 + ... + 182856.

It is an arithmetic number, because the mean of its divisors is an integer number (13137984).

Almost surely, 2140503055 is an apocalyptic number.

140503055 is a deficient number, since it is larger than the sum of its proper divisors (69704689).

140503055 is a wasteful number, since it uses less digits than its factorization.

140503055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364966.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 140503055 is about 11853.3984578263. The cubic root of 140503055 is about 519.8705977318.

Adding to 140503055 its reverse (550305041), we get a palindrome (690808096).

The spelling of 140503055 in words is "one hundred forty million, five hundred three thousand, fifty-five".

Divisors: 1 5 7 11 35 55 77 385 364943 1824715 2554601 4014373 12773005 20071865 28100611 140503055