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2265215 = 51812503
BaseRepresentation
bin1000101001000001111111
311021002021212
420221001333
51034441330
6120315035
725153061
oct10510177
94232255
102265215
111307987
12912a7b
13614084
1442d731
152eb295
hex22907f

2265215 has 8 divisors (see below), whose sum is σ = 2734368. Its totient is φ = 1801440.

The previous prime is 2265173. The next prime is 2265223. The reversal of 2265215 is 5125622.

2265215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2265215 - 28 = 2264959 is a prime.

It is a d-powerful number, because it can be written as 28 + 215 + 64 + 56 + 218 + 1 + 59 .

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 347 + ... + 2156.

It is an arithmetic number, because the mean of its divisors is an integer number (341796).

22265215 is an apocalyptic number.

2265215 is a deficient number, since it is larger than the sum of its proper divisors (469153).

2265215 is a wasteful number, since it uses less digits than its factorization.

2265215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its digits is 1200, while the sum is 23.

The square root of 2265215 is about 1505.0631215999. The cubic root of 2265215 is about 131.3317736823.

The spelling of 2265215 in words is "two million, two hundred sixty-five thousand, two hundred fifteen".

Divisors: 1 5 181 905 2503 12515 453043 2265215