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2530015 = 51074729
BaseRepresentation
bin1001101001101011011111
311202112112021
421221223133
51121430030
6130121011
730335065
oct11515337
94675467
102530015
111478924
12a20167
136a7767
1449c035
1534e97a
hex269adf

2530015 has 8 divisors (see below), whose sum is σ = 3065040. Its totient is φ = 2004672.

The previous prime is 2530013. The next prime is 2530039. The reversal of 2530015 is 5100352.

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

It is a cyclic number.

It is not a de Polignac number, because 2530015 - 21 = 2530013 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530013) 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, 1830 + ... + 2899.

It is an arithmetic number, because the mean of its divisors is an integer number (383130).

22530015 is an apocalyptic number.

2530015 is a deficient number, since it is larger than the sum of its proper divisors (535025).

2530015 is a wasteful number, since it uses less digits than its factorization.

2530015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2530015 is about 1590.6020872613. The cubic root of 2530015 is about 136.2618764722.

Adding to 2530015 its reverse (5100352), we get a palindrome (7630367).

The spelling of 2530015 in words is "two million, five hundred thirty thousand, fifteen".

Divisors: 1 5 107 535 4729 23645 506003 2530015