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270340 = 22571931
BaseRepresentation
bin1000010000000000100
3111201211121
41002000010
532122330
65443324
72204110
oct1020004
9451747
10270340
11175124
12110544
1396085
1470740
155517a
hex42004

270340 has 24 divisors (see below), whose sum is σ = 649152. Its totient is φ = 92640.

The previous prime is 270337. The next prime is 270343. The reversal of 270340 is 43072.

It is an interprime number because it is at equal distance from previous prime (270337) and next prime (270343).

It is not an unprimeable number, because it can be changed into a prime (270343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826 + ... + 1105.

It is an arithmetic number, because the mean of its divisors is an integer number (27048).

2270340 is an apocalyptic number.

270340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270340 is an abundant number, since it is smaller than the sum of its proper divisors (378812).

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

270340 is a wasteful number, since it uses less digits than its factorization.

270340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1945 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 270340 is about 519.9423044916. The cubic root of 270340 is about 64.6601592394.

The spelling of 270340 in words is "two hundred seventy thousand, three hundred forty", and thus it is an iban number.

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1931 3862 7724 9655 13517 19310 27034 38620 54068 67585 135170 270340