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495072 = 2534191
BaseRepresentation
bin1111000110111100000
3221011010000
41320313200
5111320242
614340000
74131234
oct1706740
9834100
10495072
11308a56
121ba600
13144456
14cc5c4
159ba4c
hex78de0

495072 has 60 divisors (see below), whose sum is σ = 1463616. Its totient is φ = 164160.

The previous prime is 495071. The next prime is 495109. The reversal of 495072 is 270594.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495071) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2497 + ... + 2687.

2495072 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 495072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731808).

495072 is an abundant number, since it is smaller than the sum of its proper divisors (968544).

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

495072 is a wasteful number, since it uses less digits than its factorization.

495072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 495072 is about 703.6135302849. The cubic root of 495072 is about 79.1084341232.

495072 divided by its sum of digits (27) gives a triangular number (18336 = T191).

The spelling of 495072 in words is "four hundred ninety-five thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 191 216 288 324 382 432 573 648 764 864 1146 1296 1528 1719 2292 2592 3056 3438 4584 5157 6112 6876 9168 10314 13752 15471 18336 20628 27504 30942 41256 55008 61884 82512 123768 165024 247536 495072