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8628490 = 251366373
BaseRepresentation
bin100000111010…
…100100001010
3121020101001201
4200322210022
54202102430
6504534414
7133224643
oct40724412
917211051
108628490
114963792
122a8140a
131a31520
1412086ca
15b568ca
hex83a90a

8628490 has 16 divisors (see below), whose sum is σ = 16726248. Its totient is φ = 3185856.

The previous prime is 8628481. The next prime is 8628493. The reversal of 8628490 is 948268.

It can be written as a sum of positive squares in 4 ways, for example, as 7689529 + 938961 = 2773^2 + 969^2 .

It is not an unprimeable number, because it can be changed into a prime (8628493) 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, 33057 + ... + 33316.

Almost surely, 28628490 is an apocalyptic number.

8628490 is a deficient number, since it is larger than the sum of its proper divisors (8097758).

8628490 is a wasteful number, since it uses less digits than its factorization.

8628490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66393.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 8628490 is about 2937.4291480817. The cubic root of 8628490 is about 205.1059535572.

The spelling of 8628490 in words is "eight million, six hundred twenty-eight thousand, four hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 66373 132746 331865 663730 862849 1725698 4314245 8628490