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275464 = 2374919
BaseRepresentation
bin1000011010000001000
3111222212101
41003100020
532303324
65523144
72225050
oct1032010
9458771
10275464
11178a62
121134b4
13984c7
1472560
1556944
hex43408

275464 has 16 divisors (see below), whose sum is σ = 590400. Its totient is φ = 118032.

The previous prime is 275461. The next prime is 275489. The reversal of 275464 is 464572.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 2 + 74 + 42 + 55 + 65 + 49 .

It is not an unprimeable number, because it can be changed into a prime (275461) 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 3 ways as a sum of consecutive naturals, for example, 2404 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (36900).

2275464 is an apocalyptic number.

It is an amenable number.

275464 is an abundant number, since it is smaller than the sum of its proper divisors (314936).

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

275464 is a wasteful number, since it uses less digits than its factorization.

275464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932 (or 4928 counting only the distinct ones).

The product of its digits is 6720, while the sum is 28.

The square root of 275464 is about 524.8466442686. The cubic root of 275464 is about 65.0661259996.

It can be divided in two parts, 2 and 75464, that added together give a triangular number (75466 = T388).

The spelling of 275464 in words is "two hundred seventy-five thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 28 56 4919 9838 19676 34433 39352 68866 137732 275464