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2120153 = 7192839
BaseRepresentation
bin1000000101100111011001
310222201022012
420011213121
51020321103
6113235305
724010130
oct10054731
93881265
102120153
1112189a2
12862b35
13593039
143d2917
152bd2d8
hex2059d9

2120153 has 12 divisors (see below), whose sum is σ = 2560320. Its totient is φ = 1719576.

The previous prime is 2120147. The next prime is 2120171. The reversal of 2120153 is 3510212.

It is a happy number.

It is not a de Polignac number, because 2120153 - 214 = 2103769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120113) 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, 2108 + ... + 2946.

It is an arithmetic number, because the mean of its divisors is an integer number (213360).

22120153 is an apocalyptic number.

It is an amenable number.

2120153 is a deficient number, since it is larger than the sum of its proper divisors (440167).

2120153 is an equidigital number, since it uses as much as digits as its factorization.

2120153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2120153 is about 1456.0745173239. The cubic root of 2120153 is about 128.4662560844.

Adding to 2120153 its reverse (3510212), we get a palindrome (5630365).

The spelling of 2120153 in words is "two million, one hundred twenty thousand, one hundred fifty-three".

Divisors: 1 7 19 133 361 839 2527 5873 15941 111587 302879 2120153