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495869 = 1161739
BaseRepresentation
bin1111001000011111101
3221012012112
41321003331
5111331434
614343405
74133453
oct1710375
9835175
10495869
11309610
121bab65
1314491a
14cc9d3
159bdce
hex790fd

495869 has 8 divisors (see below), whose sum is σ = 550560. Its totient is φ = 442800.

The previous prime is 495851. The next prime is 495877. The reversal of 495869 is 968594.

495869 = T22 + T23 + ... + T143.

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

It is a cyclic number.

It is not a de Polignac number, because 495869 - 28 = 495613 is a prime.

It is a super-2 number, since 2×4958692 = 491772130322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302 + ... + 1040.

It is an arithmetic number, because the mean of its divisors is an integer number (68820).

2495869 is an apocalyptic number.

It is an amenable number.

495869 is a deficient number, since it is larger than the sum of its proper divisors (54691).

495869 is a wasteful number, since it uses less digits than its factorization.

495869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811.

The product of its digits is 77760, while the sum is 41.

The square root of 495869 is about 704.1796645743. The cubic root of 495869 is about 79.1508627117.

The spelling of 495869 in words is "four hundred ninety-five thousand, eight hundred sixty-nine".

Divisors: 1 11 61 671 739 8129 45079 495869