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495972 = 223223599
BaseRepresentation
bin1111001000101100100
3221012100100
41321011210
5111332342
614344100
74133661
oct1710544
9835310
10495972
113096a4
121bb030
13144999
14cca68
159be4c
hex79164

495972 has 36 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 157872.

The previous prime is 495967. The next prime is 495973. The reversal of 495972 is 279594.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (495973) by changing a digit.

495972 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529 + ... + 1127.

It is an arithmetic number, because the mean of its divisors is an integer number (36400).

2495972 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 495972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655200).

495972 is an abundant number, since it is smaller than the sum of its proper divisors (814428).

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

495972 is a wasteful number, since it uses less digits than its factorization.

495972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 627 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 495972 is about 704.2527955216. The cubic root of 495972 is about 79.1563426365.

The spelling of 495972 in words is "four hundred ninety-five thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 599 828 1198 1797 2396 3594 5391 7188 10782 13777 21564 27554 41331 55108 82662 123993 165324 247986 495972