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244690 = 2524469
BaseRepresentation
bin111011101111010010
3110102122121
4323233102
530312230
65124454
72036245
oct735722
9412577
10244690
11157926
12b972a
13874b4
146525c
154c77a
hex3bbd2

244690 has 8 divisors (see below), whose sum is σ = 440460. Its totient is φ = 97872.

The previous prime is 244687. The next prime is 244691. The reversal of 244690 is 96442.

It can be written as a sum of positive squares in 2 ways, for example, as 227529 + 17161 = 477^2 + 131^2 .

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

It is a super-2 number, since 2×2446902 = 119746392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244691) 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, 12225 + ... + 12244.

2244690 is an apocalyptic number.

244690 is a deficient number, since it is larger than the sum of its proper divisors (195770).

244690 is a wasteful number, since it uses less digits than its factorization.

244690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24476.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 244690 is about 494.6615004223. The cubic root of 244690 is about 62.5468448801.

The spelling of 244690 in words is "two hundred forty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 24469 48938 122345 244690