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1228342 = 21374483
BaseRepresentation
bin100101011111000110110
32022101222011
410223320312
5303301332
642154434
713304113
oct4537066
92271864
101228342
11769965
124b2a1a
1334013b
1423d90a
15193e47
hex12be36

1228342 has 8 divisors (see below), whose sum is σ = 1856376. Its totient is φ = 609552.

The previous prime is 1228333. The next prime is 1228351. The reversal of 1228342 is 2438221.

It is an interprime number because it is at equal distance from previous prime (1228333) and next prime (1228351).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1968 + ... + 2515.

It is an arithmetic number, because the mean of its divisors is an integer number (232047).

21228342 is an apocalyptic number.

1228342 is a deficient number, since it is larger than the sum of its proper divisors (628034).

1228342 is a wasteful number, since it uses less digits than its factorization.

1228342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622.

The product of its digits is 768, while the sum is 22.

The square root of 1228342 is about 1108.3059144478. The cubic root of 1228342 is about 107.0959630552.

It can be divided in two parts, 122 and 8342, that added together give a square (8464 = 922).

The spelling of 1228342 in words is "one million, two hundred twenty-eight thousand, three hundred forty-two".

Divisors: 1 2 137 274 4483 8966 614171 1228342