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4028590 = 25402859
BaseRepresentation
bin1111010111100010101110
321120200012001
433113202232
52012403330
6222202514
746146106
oct17274256
97520161
104028590
112301815
12142343a
13ab08a7
1476c206
155489ca
hex3d78ae

4028590 has 8 divisors (see below), whose sum is σ = 7251480. Its totient is φ = 1611432.

The previous prime is 4028573. The next prime is 4028599. The reversal of 4028590 is 958204.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4028599) 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, 201420 + ... + 201439.

It is an arithmetic number, because the mean of its divisors is an integer number (906435).

Almost surely, 24028590 is an apocalyptic number.

4028590 is a deficient number, since it is larger than the sum of its proper divisors (3222890).

4028590 is a wasteful number, since it uses less digits than its factorization.

4028590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402866.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4028590 is about 2007.1347737509. The cubic root of 4028590 is about 159.1174060010.

The spelling of 4028590 in words is "four million, twenty-eight thousand, five hundred ninety".

Divisors: 1 2 5 10 402859 805718 2014295 4028590