Search a number
-
+
2553155 = 51161761
BaseRepresentation
bin1001101111010101000011
311210201021022
421233111003
51123200110
6130420055
730462413
oct11572503
94721238
102553155
111494250
12a3162b
136b5157
144a6643
15356755
hex26f543

2553155 has 16 divisors (see below), whose sum is σ = 3401568. Its totient is φ = 1824000.

The previous prime is 2553151. The next prime is 2553157. The reversal of 2553155 is 5513552.

It is not a de Polignac number, because 2553155 - 22 = 2553151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2975 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (212598).

22553155 is an apocalyptic number.

2553155 is a deficient number, since it is larger than the sum of its proper divisors (848413).

2553155 is a wasteful number, since it uses less digits than its factorization.

2553155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838.

The product of its digits is 3750, while the sum is 26.

The square root of 2553155 is about 1597.8595057138. The cubic root of 2553155 is about 136.6760420563.

The spelling of 2553155 in words is "two million, five hundred fifty-three thousand, one hundred fifty-five".

Divisors: 1 5 11 55 61 305 671 761 3355 3805 8371 41855 46421 232105 510631 2553155