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270342531 = 32130323053
BaseRepresentation
bin10000000111010…
…001100110000011
3200211200211020100
4100013101212003
51023201430111
642454213443
76461605434
oct2007214603
9624624210
10270342531
11129668388
1276654283
13440159c4
1427c9348b
1518b01756
hex101d1983

270342531 has 12 divisors (see below), whose sum is σ = 390811408. Its totient is φ = 180082224.

The previous prime is 270342497. The next prime is 270342533. The reversal of 270342531 is 135243072.

270342531 is a `hidden beast` number, since 270 + 342 + 53 + 1 = 666.

It is not a de Polignac number, because 270342531 - 26 = 270342467 is a prime.

It is a super-2 number, since 2×2703425312 = 146170168134971922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 270342495 and 270342504.

It is not an unprimeable number, because it can be changed into a prime (270342533) 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 11 ways as a sum of consecutive naturals, for example, 201 + ... + 23253.

Almost surely, 2270342531 is an apocalyptic number.

270342531 is a deficient number, since it is larger than the sum of its proper divisors (120468877).

270342531 is a wasteful number, since it uses less digits than its factorization.

270342531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24362 (or 24359 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 270342531 is about 16442.0963079529. The cubic root of 270342531 is about 646.6036102768.

The spelling of 270342531 in words is "two hundred seventy million, three hundred forty-two thousand, five hundred thirty-one".

Divisors: 1 3 9 1303 3909 11727 23053 69159 207477 30038059 90114177 270342531