Search a number
-
+
1226253 = 3758393
BaseRepresentation
bin100101011011000001101
32022022002210
410223120031
5303220003
642141033
713265040
oct4533015
92268083
101226253
11768336
124b1779
1333c1c2
1423cc57
15193503
hex12b60d

1226253 has 8 divisors (see below), whose sum is σ = 1868608. Its totient is φ = 700704.

The previous prime is 1226237. The next prime is 1226257. The reversal of 1226253 is 3526221.

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

It is not a de Polignac number, because 1226253 - 24 = 1226237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 58393 = 1226253 / (1 + 2 + 2 + 6 + 2 + 5 + 3).

It is a d-powerful number, because it can be written as 1 + 25 + 28 + 63 + 220 + 52 + 311 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29176 + ... + 29217.

It is an arithmetic number, because the mean of its divisors is an integer number (233576).

21226253 is an apocalyptic number.

It is an amenable number.

1226253 is a deficient number, since it is larger than the sum of its proper divisors (642355).

1226253 is an equidigital number, since it uses as much as digits as its factorization.

1226253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58403.

The product of its digits is 720, while the sum is 21.

The square root of 1226253 is about 1107.3630840876. The cubic root of 1226253 is about 107.0352171030.

Subtracting 1226253 from its reverse (3526221), we obtain a cube (2299968 = 1323).

The spelling of 1226253 in words is "one million, two hundred twenty-six thousand, two hundred fifty-three".

Divisors: 1 3 7 21 58393 175179 408751 1226253