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28490362 = 253268777
BaseRepresentation
bin110110010101…
…1101001111010
31222121110102121
41230223221322
524243142422
62454351454
7464110165
oct154535172
958543377
1028490362
111509a25a
12965b58a
135b96b04
143ad8adc
15277b8c7
hex1b2ba7a

28490362 has 8 divisors (see below), whose sum is σ = 43542036. Its totient is φ = 13976352.

The previous prime is 28490347. The next prime is 28490369. The reversal of 28490362 is 26309482.

It can be written as a sum of positive squares in 2 ways, for example, as 27867841 + 622521 = 5279^2 + 789^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28490369) 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, 134283 + ... + 134494.

Almost surely, 228490362 is an apocalyptic number.

28490362 is a deficient number, since it is larger than the sum of its proper divisors (15051674).

28490362 is a wasteful number, since it uses less digits than its factorization.

28490362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268832.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 28490362 is about 5337.6363682814. The cubic root of 28490362 is about 305.4213007897.

The spelling of 28490362 in words is "twenty-eight million, four hundred ninety thousand, three hundred sixty-two".

Divisors: 1 2 53 106 268777 537554 14245181 28490362