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2248690 = 25224869
BaseRepresentation
bin1000100100111111110010
311020020121211
420210333302
51033424230
6120110334
725053643
oct10447762
94206554
102248690
1112a6524
129053aa
136096b2
144276ca
152e642a
hex224ff2

2248690 has 8 divisors (see below), whose sum is σ = 4047660. Its totient is φ = 899472.

The previous prime is 2248681. The next prime is 2248691. The reversal of 2248690 is 968422.

It can be written as a sum of positive squares in 2 ways, for example, as 2169729 + 78961 = 1473^2 + 281^2 .

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

It is a super-2 number, since 2×22486902 = 10113213432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2248691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112425 + ... + 112444.

22248690 is an apocalyptic number.

2248690 is a deficient number, since it is larger than the sum of its proper divisors (1798970).

2248690 is a wasteful number, since it uses less digits than its factorization.

2248690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224876.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2248690 is about 1499.5632697556. The cubic root of 2248690 is about 131.0116338754.

The spelling of 2248690 in words is "two million, two hundred forty-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 224869 449738 1124345 2248690