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1226530 = 25122653
BaseRepresentation
bin100101011011100100010
32022022111001
410223130202
5303222110
642142214
713265614
oct4533442
92268431
101226530
11768568
124b196a
1333c376
1423cdb4
1519363a
hex12b722

1226530 has 8 divisors (see below), whose sum is σ = 2207772. Its totient is φ = 490608.

The previous prime is 1226503. The next prime is 1226531. The reversal of 1226530 is 356221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1096209 + 130321 = 1047^2 + 361^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1226498 and 1226507.

It is not an unprimeable number, because it can be changed into a prime (1226531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61317 + ... + 61336.

21226530 is an apocalyptic number.

1226530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226530 is a deficient number, since it is larger than the sum of its proper divisors (981242).

1226530 is a wasteful number, since it uses less digits than its factorization.

1226530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122660.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1226530 is about 1107.4881489208. The cubic root of 1226530 is about 107.0432759411.

The spelling of 1226530 in words is "one million, two hundred twenty-six thousand, five hundred thirty".

Divisors: 1 2 5 10 122653 245306 613265 1226530