Search a number
-
+
2498881 = 711172383
BaseRepresentation
bin1001100010000101000001
311200221211011
421202011001
51114431011
6125320521
730145240
oct11420501
94627734
102498881
1114574a0
12a06141
13696538
14490957
15345621
hex262141

2498881 has 32 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 1731840.

The previous prime is 2498851. The next prime is 2498893. The reversal of 2498881 is 1888942.

It is not a de Polignac number, because 2498881 - 27 = 2498753 is a prime.

It is a super-2 number, since 2×24988812 = 12488812504322, which contains 22 as substring.

2498881 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2498801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30066 + ... + 30148.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

22498881 is an apocalyptic number.

2498881 is the 913-rd octagonal number.

It is an amenable number.

2498881 is a deficient number, since it is larger than the sum of its proper divisors (984767).

2498881 is a wasteful number, since it uses less digits than its factorization.

2498881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141.

The product of its digits is 36864, while the sum is 40.

The square root of 2498881 is about 1580.7849316083. The cubic root of 2498881 is about 135.7006282523.

The spelling of 2498881 in words is "two million, four hundred ninety-eight thousand, eight hundred eighty-one".

Divisors: 1 7 11 17 23 77 83 119 161 187 253 391 581 913 1309 1411 1771 1909 2737 4301 6391 9877 13363 15521 20999 30107 32453 108647 146993 227171 356983 2498881