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270243477 = 3272612797
BaseRepresentation
bin10000000110111…
…001011010010101
3200211111210100200
4100012321122111
51023140242402
642452131113
76461013600
oct2006713225
9624453320
10270243477
111295aaa19
1276606a99
1343cac8aa
1427c69337
1518ad221c
hex101b9695

270243477 has 18 divisors (see below), whose sum is σ = 454083318. Its totient is φ = 154424592.

The previous prime is 270243401. The next prime is 270243487. The reversal of 270243477 is 774342072.

It can be written as a sum of positive squares in only one way, i.e., 174477681 + 95765796 = 13209^2 + 9786^2 .

It is a de Polignac number, because none of the positive numbers 2k-270243477 is a prime.

It is a super-2 number, since 2×2702434772 = 146063073722099058, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270243487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 305958 + ... + 306839.

It is an arithmetic number, because the mean of its divisors is an integer number (25226851).

Almost surely, 2270243477 is an apocalyptic number.

It is an amenable number.

270243477 is a deficient number, since it is larger than the sum of its proper divisors (183839841).

270243477 is a wasteful number, since it uses less digits than its factorization.

270243477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612817 (or 612807 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 36.

The square root of 270243477 is about 16439.0838248365. The cubic root of 270243477 is about 646.5246283794.

The spelling of 270243477 in words is "two hundred seventy million, two hundred forty-three thousand, four hundred seventy-seven".

Divisors: 1 3 7 9 21 49 63 147 441 612797 1838391 4289579 5515173 12868737 30027053 38606211 90081159 270243477