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2153115 = 33541389
BaseRepresentation
bin1000001101101010011011
311001101112000
420031222123
51022344430
6114052043
724205206
oct10155233
94041460
102153115
111240738
1287a023
135a5043
1440093d
152c7e60
hex20da9b

2153115 has 32 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1117440.

The previous prime is 2153113. The next prime is 2153149. The reversal of 2153115 is 5113512.

2153115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2153115 - 21 = 2153113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2153111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5341 + ... + 5729.

It is an arithmetic number, because the mean of its divisors is an integer number (122850).

22153115 is an apocalyptic number.

2153115 is a deficient number, since it is larger than the sum of its proper divisors (1778085).

2153115 is a wasteful number, since it uses less digits than its factorization.

2153115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 438 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 2153115 is about 1467.3496515827. The cubic root of 2153115 is about 129.1285900022.

Adding to 2153115 its reverse (5113512), we get a palindrome (7266627).

The spelling of 2153115 in words is "two million, one hundred fifty-three thousand, one hundred fifteen".

Divisors: 1 3 5 9 15 27 41 45 123 135 205 369 389 615 1107 1167 1845 1945 3501 5535 5835 10503 15949 17505 47847 52515 79745 143541 239235 430623 717705 2153115