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140549227 = 7133474451
BaseRepresentation
bin10000110000010…
…01110001101011
3100210110122021221
420120021301223
5241440033402
621540242511
73324435340
oct1030116153
9323418257
10140549227
1172377795
123b0a0437
1323170330
14149487c7
15c514337
hex8609c6b

140549227 has 16 divisors (see below), whose sum is σ = 173521152. Its totient is φ = 110858400.

The previous prime is 140549221. The next prime is 140549231. The reversal of 140549227 is 722945041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140549227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140549192 and 140549201.

It is not an unprimeable number, because it can be changed into a prime (140549221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29352 + ... + 33802.

It is an arithmetic number, because the mean of its divisors is an integer number (10845072).

Almost surely, 2140549227 is an apocalyptic number.

140549227 is a deficient number, since it is larger than the sum of its proper divisors (32971925).

140549227 is a wasteful number, since it uses less digits than its factorization.

140549227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4818.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 140549227 is about 11855.3459249404. The cubic root of 140549227 is about 519.9275379798.

The spelling of 140549227 in words is "one hundred forty million, five hundred forty-nine thousand, two hundred twenty-seven".

Divisors: 1 7 13 91 347 2429 4451 4511 31157 31577 57863 405041 1544497 10811479 20078461 140549227