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140348571 = 3114252987
BaseRepresentation
bin10000101110110…
…00110010011011
3100210002110001020
420113120302123
5241412123241
621532053523
73322641336
oct1027306233
9323073036
10140348571
117224aa60
123b0042a3
13230ccbbc
14148d561d
15c4c4b66
hex85d8c9b

140348571 has 8 divisors (see below), whose sum is σ = 204143424. Its totient is φ = 85059720.

The previous prime is 140348567. The next prime is 140348587. The reversal of 140348571 is 175843041.

140348571 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140348571 - 22 = 140348567 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 4252987 = 140348571 / (1 + 4 + 0 + 3 + 4 + 8 + 5 + 7 + 1).

It is not an unprimeable number, because it can be changed into a prime (140348591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2126461 + ... + 2126526.

It is an arithmetic number, because the mean of its divisors is an integer number (25517928).

Almost surely, 2140348571 is an apocalyptic number.

140348571 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140348571 is a deficient number, since it is larger than the sum of its proper divisors (63794853).

140348571 is a wasteful number, since it uses less digits than its factorization.

140348571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253001.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 140348571 is about 11846.8802222357. The cubic root of 140348571 is about 519.6799941851.

The spelling of 140348571 in words is "one hundred forty million, three hundred forty-eight thousand, five hundred seventy-one".

Divisors: 1 3 11 33 4252987 12758961 46782857 140348571