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7842328 = 231375407
BaseRepresentation
bin11101111010101000011000
3112202102122121
4131322220120
54001423303
6440031024
7123441634
oct35725030
915672577
107842328
11447706a
122762474
131817740
141081dc4
15a4d9bd
hex77aa18

7842328 has 16 divisors (see below), whose sum is σ = 15835680. Its totient is φ = 3619488.

The previous prime is 7842323. The next prime is 7842337. The reversal of 7842328 is 8232487.

It is a junction number, because it is equal to n+sod(n) for n = 7842293 and 7842302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7842323) 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, 37600 + ... + 37807.

It is an arithmetic number, because the mean of its divisors is an integer number (989730).

Almost surely, 27842328 is an apocalyptic number.

It is an amenable number.

7842328 is an abundant number, since it is smaller than the sum of its proper divisors (7993352).

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

7842328 is a wasteful number, since it uses less digits than its factorization.

7842328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75426 (or 75422 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 7842328 is about 2800.4156834299. The cubic root of 7842328 is about 198.6773387858.

The spelling of 7842328 in words is "seven million, eight hundred forty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 13 26 52 104 75407 150814 301628 603256 980291 1960582 3921164 7842328