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214724 = 2253681
BaseRepresentation
bin110100011011000100
3101220112202
4310123010
523332344
64334032
71553006
oct643304
9356482
10214724
11137364
12a4318
1376973
1458376
154394e
hex346c4

214724 has 6 divisors (see below), whose sum is σ = 375774. Its totient is φ = 107360.

The previous prime is 214723. The next prime is 214729. The reversal of 214724 is 427412.

It can be written as a sum of positive squares in only one way, i.e., 174724 + 40000 = 418^2 + 200^2 .

It is a super-2 number, since 2×2147242 = 92212792352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214696 and 214705.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214724.

It is not an unprimeable number, because it can be changed into a prime (214723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26837 + ... + 26844.

It is an arithmetic number, because the mean of its divisors is an integer number (62629).

2214724 is an apocalyptic number.

It is an amenable number.

214724 is a deficient number, since it is larger than the sum of its proper divisors (161050).

214724 is a wasteful number, since it uses less digits than its factorization.

214724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53685 (or 53683 counting only the distinct ones).

The product of its digits is 448, while the sum is 20.

The square root of 214724 is about 463.3832107446. The cubic root of 214724 is about 59.8816184356.

The spelling of 214724 in words is "two hundred fourteen thousand, seven hundred twenty-four", and thus it is an iban number.

Divisors: 1 2 4 53681 107362 214724