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2248155 = 34571361
BaseRepresentation
bin1000100100110111011011
311020012220000
420210313123
51033420110
6120104043
725052250
oct10446733
94205800
102248155
1112a6088
12905023
13609390
14427427
152e61c0
hex224ddb

2248155 has 80 divisors (see below), whose sum is σ = 5041344. Its totient is φ = 933120.

The previous prime is 2248139. The next prime is 2248163. The reversal of 2248155 is 5518422.

It is a happy number.

It is not a de Polignac number, because 2248155 - 24 = 2248139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 36825 + ... + 36885.

22248155 is an apocalyptic number.

2248155 is an abundant number, since it is smaller than the sum of its proper divisors (2793189).

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

2248155 is a wasteful number, since it uses less digits than its factorization.

2248155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 89 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2248155 is about 1499.3848738733. The cubic root of 2248155 is about 131.0012431170.

The spelling of 2248155 in words is "two million, two hundred forty-eight thousand, one hundred fifty-five".

Divisors: 1 3 5 7 9 13 15 21 27 35 39 45 61 63 65 81 91 105 117 135 183 189 195 273 305 315 351 405 427 455 549 567 585 793 819 915 945 1053 1281 1365 1647 1755 2135 2379 2457 2745 2835 3843 3965 4095 4941 5265 5551 6405 7137 7371 8235 11529 11895 12285 16653 19215 21411 24705 27755 34587 35685 36855 49959 57645 64233 83265 107055 149877 172935 249795 321165 449631 749385 2248155