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2272557 = 37108217
BaseRepresentation
bin1000101010110100101101
311021110100210
420222310231
51040210212
6120413033
725213350
oct10526455
94243323
102272557
111312451
12917179
13617511
14432297
152ed53c
hex22ad2d

2272557 has 8 divisors (see below), whose sum is σ = 3462976. Its totient is φ = 1298592.

The previous prime is 2272549. The next prime is 2272559. The reversal of 2272557 is 7552722.

2272557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272557 - 23 = 2272549 is a prime.

It is an Ulam number.

It is the 1508-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272559) by changing a digit.

It is a nontrivial repunit in base 1507.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54088 + ... + 54129.

It is an arithmetic number, because the mean of its divisors is an integer number (432872).

22272557 is an apocalyptic number.

It is an amenable number.

2272557 is a deficient number, since it is larger than the sum of its proper divisors (1190419).

2272557 is a wasteful number, since it uses less digits than its factorization.

2272557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108227.

The product of its digits is 9800, while the sum is 30.

The square root of 2272557 is about 1507.5002487562. The cubic root of 2272557 is about 131.4735112206.

The spelling of 2272557 in words is "two million, two hundred seventy-two thousand, five hundred fifty-seven".

Divisors: 1 3 7 21 108217 324651 757519 2272557