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4072490 = 25407249
BaseRepresentation
bin1111100010010000101010
321122220101222
433202100222
52020304430
6223142042
746421102
oct17422052
97586358
104072490
1123317a4
121444922
13ac7876
14780202
155569e5
hex3e242a

4072490 has 8 divisors (see below), whose sum is σ = 7330500. Its totient is φ = 1628992.

The previous prime is 4072483. The next prime is 4072507. The reversal of 4072490 is 942704.

It can be written as a sum of positive squares in 2 ways, for example, as 3869089 + 203401 = 1967^2 + 451^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203615 + ... + 203634.

Almost surely, 24072490 is an apocalyptic number.

4072490 is a deficient number, since it is larger than the sum of its proper divisors (3258010).

4072490 is a wasteful number, since it uses less digits than its factorization.

4072490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407256.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4072490 is about 2018.0411294124. The cubic root of 4072490 is about 159.6932926503.

The spelling of 4072490 in words is "four million, seventy-two thousand, four hundred ninety".

Divisors: 1 2 5 10 407249 814498 2036245 4072490