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2249741 = 13612837
BaseRepresentation
bin1000100101010000001101
311020022001202
420211100031
51033442431
6120115245
725060004
oct10452015
94208052
102249741
1112a729a
12905b25
1360a010
14427c3b
152e68cb
hex22540d

2249741 has 8 divisors (see below), whose sum is σ = 2463384. Its totient is φ = 2041920.

The previous prime is 2249719. The next prime is 2249743. The reversal of 2249741 is 1479422.

It can be written as a sum of positive squares in 4 ways, for example, as 348100 + 1901641 = 590^2 + 1379^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2249741 is a prime.

It is a super-2 number, since 2×22497412 = 10122669134162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249743) 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, 626 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (307923).

22249741 is an apocalyptic number.

It is an amenable number.

2249741 is a deficient number, since it is larger than the sum of its proper divisors (213643).

2249741 is a wasteful number, since it uses less digits than its factorization.

2249741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its digits is 4032, while the sum is 29.

The square root of 2249741 is about 1499.9136641820. The cubic root of 2249741 is about 131.0320415766.

The spelling of 2249741 in words is "two million, two hundred forty-nine thousand, seven hundred forty-one".

Divisors: 1 13 61 793 2837 36881 173057 2249741