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270140141 = 997270953
BaseRepresentation
bin10000000110100…
…000001011101101
3200211022112121102
4100012200023231
51023123441031
642450012445
76460103405
oct2006401355
9624275542
10270140141
1112953a317
1276577125
1343c7484b
1427c3d805
1518ab17cb
hex101a02ed

270140141 has 4 divisors (see below), whose sum is σ = 270412092. Its totient is φ = 269868192.

The previous prime is 270140131. The next prime is 270140179. The reversal of 270140141 is 141041072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98922916 + 171217225 = 9946^2 + 13085^2 .

It is a cyclic number.

It is not a de Polignac number, because 270140141 - 226 = 203031277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270140131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134480 + ... + 136473.

It is an arithmetic number, because the mean of its divisors is an integer number (67603023).

Almost surely, 2270140141 is an apocalyptic number.

It is an amenable number.

270140141 is a deficient number, since it is larger than the sum of its proper divisors (271951).

270140141 is an equidigital number, since it uses as much as digits as its factorization.

270140141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271950.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 270140141 is about 16435.9405267846. The cubic root of 270140141 is about 646.4422116058.

The spelling of 270140141 in words is "two hundred seventy million, one hundred forty thousand, one hundred forty-one".

Divisors: 1 997 270953 270140141