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2103315 = 35140221
BaseRepresentation
bin1000000001100000010011
310221212012120
420001200103
51014301230
6113025323
723610054
oct10014023
93855176
102103315
111207285
12855243
13588486
143ca72b
152b8310
hex201813

2103315 has 8 divisors (see below), whose sum is σ = 3365328. Its totient is φ = 1121760.

The previous prime is 2103307. The next prime is 2103317. The reversal of 2103315 is 5133012.

It is a happy number.

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

It is not a de Polignac number, because 2103315 - 23 = 2103307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 140221 = 2103315 / (2 + 1 + 0 + 3 + 3 + 1 + 5).

It is a junction number, because it is equal to n+sod(n) for n = 2103294 and 2103303.

It is not an unprimeable number, because it can be changed into a prime (2103317) 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, 70096 + ... + 70125.

It is an arithmetic number, because the mean of its divisors is an integer number (420666).

22103315 is an apocalyptic number.

2103315 is a deficient number, since it is larger than the sum of its proper divisors (1262013).

2103315 is a wasteful number, since it uses less digits than its factorization.

2103315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140229.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2103315 is about 1450.2810072534. The cubic root of 2103315 is about 128.1252639297.

Adding to 2103315 its reverse (5133012), we get a palindrome (7236327).

The spelling of 2103315 in words is "two million, one hundred three thousand, three hundred fifteen".

Divisors: 1 3 5 15 140221 420663 701105 2103315