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270424 = 23711439
BaseRepresentation
bin1000010000001011000
3111201221201
41002001120
532123144
65443544
72204260
oct1020130
9451851
10270424
111751a0
121105b4
139611b
14707a0
15551d4
hex42058

270424 has 32 divisors (see below), whose sum is σ = 633600. Its totient is φ = 105120.

The previous prime is 270421. The next prime is 270437. The reversal of 270424 is 424072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 835.

It is an arithmetic number, because the mean of its divisors is an integer number (19800).

2270424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 270424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316800).

270424 is an abundant number, since it is smaller than the sum of its proper divisors (363176).

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

270424 is a wasteful number, since it uses less digits than its factorization.

270424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 459 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 270424 is about 520.0230764110. The cubic root of 270424 is about 64.6668556105. Note that the first 3 decimals are identical.

Adding to 270424 its reverse (424072), we get a palindrome (694496).

The spelling of 270424 in words is "two hundred seventy thousand, four hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 439 616 878 1756 3073 3512 4829 6146 9658 12292 19316 24584 33803 38632 67606 135212 270424