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2155435 = 53761191
BaseRepresentation
bin1000001110001110101011
311001111200221
420032032223
51022433220
6114110511
724215032
oct10161653
94044627
102155435
111242457
1287b437
135a6109
14401719
152c89aa
hex20e3ab

2155435 has 16 divisors (see below), whose sum is σ = 2714112. Its totient is φ = 1641600.

The previous prime is 2155429. The next prime is 2155451. The reversal of 2155435 is 5345512.

2155435 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 2155435 - 211 = 2153387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11190 + ... + 11380.

It is an arithmetic number, because the mean of its divisors is an integer number (169632).

22155435 is an apocalyptic number.

2155435 is a deficient number, since it is larger than the sum of its proper divisors (558677).

2155435 is a wasteful number, since it uses less digits than its factorization.

2155435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294.

The product of its digits is 3000, while the sum is 25.

The square root of 2155435 is about 1468.1399797022. The cubic root of 2155435 is about 129.1749524110.

The spelling of 2155435 in words is "two million, one hundred fifty-five thousand, four hundred thirty-five".

Divisors: 1 5 37 61 185 191 305 955 2257 7067 11285 11651 35335 58255 431087 2155435