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270000018 = 232173128463
BaseRepresentation
bin10000000101111…
…101111110010010
3200211001102101200
4100011331332102
51023110000033
642443012030
76455651031
oct2005757622
9624042350
10270000018
11129454012
127650a016
1343c25b32
1427c04718
1518a85013
hex1017df92

270000018 has 48 divisors (see below), whose sum is σ = 639415296. Its totient is φ = 81970560.

The previous prime is 269999993. The next prime is 270000023. The reversal of 270000018 is 810000072.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4746 + ... + 23717.

It is an arithmetic number, because the mean of its divisors is an integer number (13321152).

Almost surely, 2270000018 is an apocalyptic number.

270000018 is an abundant number, since it is smaller than the sum of its proper divisors (369415278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

270000018 is a wasteful number, since it uses less digits than its factorization.

270000018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28519 (or 28516 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 270000018 is about 16431.6772728775. The cubic root of 270000018 is about 646.3304213725.

The spelling of 270000018 in words is "two hundred seventy million, eighteen", and thus it is an aban number.

Divisors: 1 2 3 6 9 17 18 31 34 51 62 93 102 153 186 279 306 527 558 1054 1581 3162 4743 9486 28463 56926 85389 170778 256167 483871 512334 882353 967742 1451613 1764706 2647059 2903226 4354839 5294118 7941177 8709678 15000001 15882354 30000002 45000003 90000006 135000009 270000018