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2320813 = 1147672
BaseRepresentation
bin1000110110100110101101
311100220120001
420312212231
51043231223
6121424301
725504135
oct10664655
94326501
102320813
111345730
1293b091
13633481
14445ac5
1530c9ad
hex2369ad

2320813 has 12 divisors (see below), whose sum is σ = 2624832. Its totient is φ = 2034120.

The previous prime is 2320811. The next prime is 2320837. The reversal of 2320813 is 3180232.

It is a happy number.

It is not a de Polignac number, because 2320813 - 21 = 2320811 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320811) 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, 34606 + ... + 34672.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

22320813 is an apocalyptic number.

It is an amenable number.

2320813 is a deficient number, since it is larger than the sum of its proper divisors (304019).

2320813 is an equidigital number, since it uses as much as digits as its factorization.

2320813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2320813 is about 1523.4214781209. The cubic root of 2320813 is about 132.3975807555.

The spelling of 2320813 in words is "two million, three hundred twenty thousand, eight hundred thirteen".

Divisors: 1 11 47 67 517 737 3149 4489 34639 49379 210983 2320813