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2120313 = 31354367
BaseRepresentation
bin1000000101101001111001
310222201112010
420011221321
51020322223
6113240133
724010446
oct10055171
93881463
102120313
111219028
12863049
13593130
143d29cd
152bd393
hex205a79

2120313 has 8 divisors (see below), whose sum is σ = 3044608. Its totient is φ = 1304784.

The previous prime is 2120309. The next prime is 2120317. The reversal of 2120313 is 3130212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120309) and next prime (2120317).

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

It is not a de Polignac number, because 2120313 - 22 = 2120309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120317) 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, 27145 + ... + 27222.

It is an arithmetic number, because the mean of its divisors is an integer number (380576).

22120313 is an apocalyptic number.

It is an amenable number.

2120313 is a deficient number, since it is larger than the sum of its proper divisors (924295).

2120313 is a wasteful number, since it uses less digits than its factorization.

2120313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54383.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2120313 is about 1456.1294585304. The cubic root of 2120313 is about 128.4694876254.

Adding to 2120313 its reverse (3130212), we get a palindrome (5250525).

The spelling of 2120313 in words is "two million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 3 13 39 54367 163101 706771 2120313