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2553030 = 2325191493
BaseRepresentation
bin1001101111010011000110
311210201002200
421233103012
51123144110
6130415330
730462144
oct11572306
94721080
102553030
111494147
12a31546
136b508c
144a6594
153566c0
hex26f4c6

2553030 has 48 divisors (see below), whose sum is σ = 6991920. Its totient is φ = 644544.

The previous prime is 2553017. The next prime is 2553041. The reversal of 2553030 is 303552.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2552994 and 2553012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 964 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (145665).

22553030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2553030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3495960).

2553030 is an abundant number, since it is smaller than the sum of its proper divisors (4438890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2553030 is a wasteful number, since it uses less digits than its factorization.

2553030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2553030 is about 1597.8203904069. The cubic root of 2553030 is about 136.6738115109.

Adding to 2553030 its reverse (303552), we get a palindrome (2856582).

The spelling of 2553030 in words is "two million, five hundred fifty-three thousand, thirty".

Divisors: 1 2 3 5 6 9 10 15 18 19 30 38 45 57 90 95 114 171 190 285 342 570 855 1493 1710 2986 4479 7465 8958 13437 14930 22395 26874 28367 44790 56734 67185 85101 134370 141835 170202 255303 283670 425505 510606 851010 1276515 2553030