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1024308 = 223237769
BaseRepresentation
bin11111010000100110100
31221001002100
43322010310
5230234213
633542100
711464215
oct3720464
91831070
101024308
1163a63a
12414930
1329b2cc
141c940c
15153773
hexfa134

1024308 has 36 divisors (see below), whose sum is σ = 2662660. Its totient is φ = 331776.

The previous prime is 1024307. The next prime is 1024313. The reversal of 1024308 is 8034201.

It is a happy number.

1024308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 685584 + 338724 = 828^2 + 582^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1024307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948 + ... + 1716.

21024308 is an apocalyptic number.

1024308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331330).

1024308 is an abundant number, since it is smaller than the sum of its proper divisors (1638352).

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

1024308 is a wasteful number, since it uses less digits than its factorization.

1024308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1024308 is about 1012.0810244244. The cubic root of 1024308 is about 100.8037885953.

Adding to 1024308 its reverse (8034201), we get a palindrome (9058509).

The spelling of 1024308 in words is "one million, twenty-four thousand, three hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 37 74 111 148 222 333 444 666 769 1332 1538 2307 3076 4614 6921 9228 13842 27684 28453 56906 85359 113812 170718 256077 341436 512154 1024308