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8489090 = 25848909
BaseRepresentation
bin100000011000…
…100010000010
3120222021211202
4200120202002
54133122330
6501541202
7132104351
oct40304202
916867752
108489090
114878a85
122a14802
1319b2c3c
1411ad998
15b2a445
hex818882

8489090 has 8 divisors (see below), whose sum is σ = 15280380. Its totient is φ = 3395632.

The previous prime is 8489053. The next prime is 8489113. The reversal of 8489090 is 909848.

It can be written as a sum of positive squares in 2 ways, for example, as 6806881 + 1682209 = 2609^2 + 1297^2 .

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, 424445 + ... + 424464.

Almost surely, 28489090 is an apocalyptic number.

8489090 is a deficient number, since it is larger than the sum of its proper divisors (6791290).

8489090 is a wasteful number, since it uses less digits than its factorization.

8489090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848916.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 8489090 is about 2913.6042970863. The cubic root of 8489090 is about 203.9954023057.

The spelling of 8489090 in words is "eight million, four hundred eighty-nine thousand, ninety".

Divisors: 1 2 5 10 848909 1697818 4244545 8489090