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505465 = 5432351
BaseRepresentation
bin1111011011001111001
3221200100221
41323121321
5112133330
614500041
74203442
oct1733171
9850327
10505465
11315844
12204621
131490bc
14d22c9
159eb7a
hex7b679

505465 has 8 divisors (see below), whose sum is σ = 620928. Its totient is φ = 394800.

The previous prime is 505459. The next prime is 505469. The reversal of 505465 is 564505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505465 - 29 = 504953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 1390.

It is an arithmetic number, because the mean of its divisors is an integer number (77616).

2505465 is an apocalyptic number.

It is an amenable number.

505465 is a deficient number, since it is larger than the sum of its proper divisors (115463).

505465 is a wasteful number, since it uses less digits than its factorization.

505465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 505465 is about 710.9606177560. The cubic root of 505465 is about 79.6581769595.

The spelling of 505465 in words is "five hundred five thousand, four hundred sixty-five".

Divisors: 1 5 43 215 2351 11755 101093 505465