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270540 = 22345167
BaseRepresentation
bin1000010000011001100
3111202010000
41002003030
532124130
65444300
72204514
oct1020314
9452100
10270540
11175296
12110690
13961aa
1470844
1555260
hex420cc

270540 has 60 divisors (see below), whose sum is σ = 853776. Its totient is φ = 71712.

The previous prime is 270539. The next prime is 270547. The reversal of 270540 is 45072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (270547) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1537 + ... + 1703.

2270540 is an apocalyptic number.

270540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426888).

270540 is an abundant number, since it is smaller than the sum of its proper divisors (583236).

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

270540 is a wasteful number, since it uses less digits than its factorization.

270540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 177 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 270540 is about 520.1345979648. The cubic root of 270540 is about 64.6761007008.

The spelling of 270540 in words is "two hundred seventy thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 167 180 270 324 334 405 501 540 668 810 835 1002 1503 1620 1670 2004 2505 3006 3340 4509 5010 6012 7515 9018 10020 13527 15030 18036 22545 27054 30060 45090 54108 67635 90180 135270 270540