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2245557 = 32953487
BaseRepresentation
bin1000100100001110110101
311020002022210
420210032311
51033324212
6120044033
725041546
oct10441665
94202283
102245557
1112a4136
12903619
13608142
144264cd
152e553c
hex2243b5

2245557 has 16 divisors (see below), whose sum is σ = 3162240. Its totient is φ = 1415232.

The previous prime is 2245549. The next prime is 2245561. The reversal of 2245557 is 7555422.

It is not a de Polignac number, because 2245557 - 23 = 2245549 is a prime.

It is an Ulam number.

2245557 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245577) 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, 4368 + ... + 4854.

It is an arithmetic number, because the mean of its divisors is an integer number (197640).

22245557 is an apocalyptic number.

It is an amenable number.

2245557 is a deficient number, since it is larger than the sum of its proper divisors (916683).

2245557 is a wasteful number, since it uses less digits than its factorization.

2245557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 14000, while the sum is 30.

The square root of 2245557 is about 1498.5182681569. The cubic root of 2245557 is about 130.9507613642.

The spelling of 2245557 in words is "two million, two hundred forty-five thousand, five hundred fifty-seven".

Divisors: 1 3 29 53 87 159 487 1461 1537 4611 14123 25811 42369 77433 748519 2245557