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4821397 = 77189109
BaseRepresentation
bin10010011001000110010101
3100001221201021
4102121012111
52213241042
6251201141
755660360
oct22310625
910057637
104821397
1127a3429
1217461b1
13cca6c9
148d70d7
15653867
hex499195

4821397 has 16 divisors (see below), whose sum is σ = 5702400. Its totient is φ = 3991680.

The previous prime is 4821389. The next prime is 4821407. The reversal of 4821397 is 7931284.

It is not a de Polignac number, because 4821397 - 23 = 4821389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44179 + ... + 44287.

It is an arithmetic number, because the mean of its divisors is an integer number (356400).

Almost surely, 24821397 is an apocalyptic number.

It is an amenable number.

4821397 is a deficient number, since it is larger than the sum of its proper divisors (881003).

4821397 is a wasteful number, since it uses less digits than its factorization.

4821397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276.

The product of its digits is 12096, while the sum is 34.

The square root of 4821397 is about 2195.7679749919. The cubic root of 4821397 is about 168.9368133238.

The spelling of 4821397 in words is "four million, eight hundred twenty-one thousand, three hundred ninety-seven".

Divisors: 1 7 71 89 109 497 623 763 6319 7739 9701 44233 54173 67907 688771 4821397