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828304493 = 7928337049
BaseRepresentation
bin110001010111101…
…110110001101101
32010201121020011012
4301113232301231
53144021220433
6214105235005
726345320622
oct6127566155
92121536135
10828304493
11395613475
121b1492a65
131027b3203
147c016349
154cab8848
hex315eec6d

828304493 has 8 divisors (see below), whose sum is σ = 841776000. Its totient is φ = 814907808.

The previous prime is 828304471. The next prime is 828304507. The reversal of 828304493 is 394403828.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 828304493 - 26 = 828304429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 828304493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (828304423) 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, 3833 + ... + 40881.

It is an arithmetic number, because the mean of its divisors is an integer number (105222000).

Almost surely, 2828304493 is an apocalyptic number.

It is an amenable number.

828304493 is a deficient number, since it is larger than the sum of its proper divisors (13471507).

828304493 is a wasteful number, since it uses less digits than its factorization.

828304493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37411.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 828304493 is about 28780.2795851604. The cubic root of 828304493 is about 939.1392803960.

The spelling of 828304493 in words is "eight hundred twenty-eight million, three hundred four thousand, four hundred ninety-three".

Divisors: 1 79 283 22357 37049 2926871 10484867 828304493