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492712 = 23112509
BaseRepresentation
bin1111000010010101000
3221000212121
41320102220
5111231322
614321024
74121323
oct1702250
9830777
10492712
11307200
121b9174
1314335c
14cb7ba
159aec7
hex784a8

492712 has 24 divisors (see below), whose sum is σ = 1017450. Its totient is φ = 223520.

The previous prime is 492707. The next prime is 492719. The reversal of 492712 is 217294.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 139876 = 594^2 + 374^2 .

It is a super-2 number, since 2×4927122 = 485530229888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (492719) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714 + ... + 1222.

2492712 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 492712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508725).

492712 is an abundant number, since it is smaller than the sum of its proper divisors (524738).

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

492712 is a wasteful number, since it uses less digits than its factorization.

492712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 522 counting only the distinct ones).

The product of its digits is 1008, while the sum is 25.

The square root of 492712 is about 701.9344698759. The cubic root of 492712 is about 78.9825309876.

The spelling of 492712 in words is "four hundred ninety-two thousand, seven hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 121 242 484 509 968 1018 2036 4072 5599 11198 22396 44792 61589 123178 246356 492712