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2249901 = 32249989
BaseRepresentation
bin1000100101010010101101
311020022021200
420211102231
51033444101
6120120113
725060323
oct10452255
94208250
102249901
1112a7425
12906039
1360a104
14427d13
152e6986
hex2254ad

2249901 has 6 divisors (see below), whose sum is σ = 3249870. Its totient is φ = 1499928.

The previous prime is 2249867. The next prime is 2249911. The reversal of 2249901 is 1099422.

It can be written as a sum of positive squares in only one way, i.e., 1687401 + 562500 = 1299^2 + 750^2 .

It is not a de Polignac number, because 2249901 - 27 = 2249773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249911) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124986 + ... + 125003.

It is an arithmetic number, because the mean of its divisors is an integer number (541645).

22249901 is an apocalyptic number.

It is an amenable number.

2249901 is a deficient number, since it is larger than the sum of its proper divisors (999969).

2249901 is a wasteful number, since it uses less digits than its factorization.

2249901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249995 (or 249992 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2249901 is about 1499.9669996370. The cubic root of 2249901 is about 131.0351478052.

The spelling of 2249901 in words is "two million, two hundred forty-nine thousand, nine hundred one".

Divisors: 1 3 9 249989 749967 2249901