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8990363 = 19617757
BaseRepresentation
bin100010010010…
…111010011011
3121220202110102
4202102322123
54300142423
6520410015
7136262654
oct42227233
917822412
108990363
115090658
12301690b
131b2a155
1412a052b
15bc8c28
hex892e9b

8990363 has 8 divisors (see below), whose sum is σ = 9619920. Its totient is φ = 8376480.

The previous prime is 8990353. The next prime is 8990407. The reversal of 8990363 is 3630998.

It is a happy number.

8990363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8990363 - 24 = 8990347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8990353) 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, 2720 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1202490).

Almost surely, 28990363 is an apocalyptic number.

8990363 is a deficient number, since it is larger than the sum of its proper divisors (629557).

8990363 is a wasteful number, since it uses less digits than its factorization.

8990363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 8990363 is about 2998.3934031411. The cubic root of 8990363 is about 207.9341122055.

The spelling of 8990363 in words is "eight million, nine hundred ninety thousand, three hundred sixty-three".

Divisors: 1 19 61 1159 7757 147383 473177 8990363