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1022308 = 227291259
BaseRepresentation
bin11111001100101100100
31220221100021
43321211210
5230203213
633524524
711455330
oct3714544
91827307
101022308
11639091
12413744
1329a421
141c87c0
15152d8d
hexf9964

1022308 has 24 divisors (see below), whose sum is σ = 2116800. Its totient is φ = 422688.

The previous prime is 1022303. The next prime is 1022341. The reversal of 1022308 is 8032201.

It is a happy number.

It is a super-2 number, since 2×10223082 = 2090227293728, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1022291 and 1022300.

It is not an unprimeable number, because it can be changed into a prime (1022303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183 + ... + 1441.

It is an arithmetic number, because the mean of its divisors is an integer number (88200).

21022308 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 1022308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058400).

1022308 is an abundant number, since it is smaller than the sum of its proper divisors (1094492).

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

1022308 is a wasteful number, since it uses less digits than its factorization.

1022308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1297 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1022308 is about 1011.0924784608. The cubic root of 1022308 is about 100.7381381155.

Adding to 1022308 its reverse (8032201), we get a palindrome (9054509).

The spelling of 1022308 in words is "one million, twenty-two thousand, three hundred eight".

Divisors: 1 2 4 7 14 28 29 58 116 203 406 812 1259 2518 5036 8813 17626 35252 36511 73022 146044 255577 511154 1022308