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501485 = 5100297
BaseRepresentation
bin1111010011011101101
3221110220112
41322123231
5112021420
614425405
74156025
oct1723355
9843815
10501485
11312856
12202265
1314734a
14d0a85
159d8c5
hex7a6ed

501485 has 4 divisors (see below), whose sum is σ = 601788. Its totient is φ = 401184.

The previous prime is 501463. The next prime is 501493. The reversal of 501485 is 584105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373321 + 128164 = 611^2 + 358^2 .

It is a cyclic number.

It is not a de Polignac number, because 501485 - 28 = 501229 is a prime.

It is a super-3 number, since 3×5014853 = 378351183336777375, which contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501485.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 50144 + ... + 50153.

It is an arithmetic number, because the mean of its divisors is an integer number (150447).

2501485 is an apocalyptic number.

It is an amenable number.

501485 is a deficient number, since it is larger than the sum of its proper divisors (100303).

501485 is a wasteful number, since it uses less digits than its factorization.

501485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100302.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 501485 is about 708.1560562475. The cubic root of 501485 is about 79.4485512880.

The spelling of 501485 in words is "five hundred one thousand, four hundred eighty-five".

Divisors: 1 5 100297 501485