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2225154 = 231372707
BaseRepresentation
bin1000011111010000000010
311012001100010
420133100002
51032201104
6115405350
724625221
oct10372002
94161303
102225154
11128a878
128b3856
135cba79
1441ccb8
152de489
hex21f402

2225154 has 16 divisors (see below), whose sum is σ = 4484448. Its totient is φ = 736032.

The previous prime is 2225123. The next prime is 2225159. The reversal of 2225154 is 4515222.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2225154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (280278).

22225154 is an apocalyptic number.

2225154 is an abundant number, since it is smaller than the sum of its proper divisors (2259294).

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

2225154 is a wasteful number, since it uses less digits than its factorization.

2225154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2849.

The product of its digits is 800, while the sum is 21.

The square root of 2225154 is about 1491.6950090417. The cubic root of 2225154 is about 130.5529504301.

The spelling of 2225154 in words is "two million, two hundred twenty-five thousand, one hundred fifty-four".

Divisors: 1 2 3 6 137 274 411 822 2707 5414 8121 16242 370859 741718 1112577 2225154