Search a number
-
+
2272148 = 222412357
BaseRepresentation
bin1000101010101110010100
311021102210122
420222232110
51040202043
6120411112
725212224
oct10525624
94242718
102272148
11131210a
12916a98
13617288
14432084
152ed368
hex22ab94

2272148 has 12 divisors (see below), whose sum is σ = 3994452. Its totient is φ = 1130880.

The previous prime is 2272141. The next prime is 2272177. The reversal of 2272148 is 8412722.

It can be written as a sum of positive squares in 2 ways, for example, as 1044484 + 1227664 = 1022^2 + 1108^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a d-powerful number, because it can be written as 2 + 213 + 76 + 221 + 1 + 47 + 85 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272141) 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, 215 + ... + 2142.

It is an arithmetic number, because the mean of its divisors is an integer number (332871).

22272148 is an apocalyptic number.

It is an amenable number.

2272148 is a deficient number, since it is larger than the sum of its proper divisors (1722304).

2272148 is a wasteful number, since it uses less digits than its factorization.

2272148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602 (or 2600 counting only the distinct ones).

The product of its digits is 1792, while the sum is 26.

The square root of 2272148 is about 1507.3645876164. The cubic root of 2272148 is about 131.4656234988.

The spelling of 2272148 in words is "two million, two hundred seventy-two thousand, one hundred forty-eight".

Divisors: 1 2 4 241 482 964 2357 4714 9428 568037 1136074 2272148