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2628253 = 13120063
BaseRepresentation
bin1010000001101010011101
311221112021201
422001222131
51133101003
6132155501
731224355
oct12015235
94845251
102628253
111535711
12a68b91
137103a4
144c5b65
1536db1d
hex281a9d

2628253 has 4 divisors (see below), whose sum is σ = 2648448. Its totient is φ = 2608060.

The previous prime is 2628229. The next prime is 2628277. The reversal of 2628253 is 3528262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2628229) and next prime (2628277).

It is a cyclic number.

It is not a de Polignac number, because 2628253 - 221 = 531101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2628053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9901 + ... + 10162.

It is an arithmetic number, because the mean of its divisors is an integer number (662112).

22628253 is an apocalyptic number.

It is an amenable number.

2628253 is a deficient number, since it is larger than the sum of its proper divisors (20195).

2628253 is a wasteful number, since it uses less digits than its factorization.

2628253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20194.

The product of its digits is 5760, while the sum is 28.

The square root of 2628253 is about 1621.1887613723. The cubic root of 2628253 is about 138.0031680292.

Subtracting 2628253 from its reverse (3528262), we obtain a palindrome (900009).

It can be divided in two parts, 26282 and 53, that added together give a triangular number (26335 = T229).

The spelling of 2628253 in words is "two million, six hundred twenty-eight thousand, two hundred fifty-three".

Divisors: 1 131 20063 2628253