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28496465 = 58964037
BaseRepresentation
bin110110010110…
…1001001010001
31222121202210122
41230231021101
524243341330
62454440025
7464134034
oct154551121
958552718
1028496465
11150a38a8
129663015
135b9981a
143adb01b
15277d5e5
hex1b2d251

28496465 has 8 divisors (see below), whose sum is σ = 34580520. Its totient is φ = 22540672.

The previous prime is 28496441. The next prime is 28496467. The reversal of 28496465 is 56469482.

It can be written as a sum of positive squares in 4 ways, for example, as 786769 + 27709696 = 887^2 + 5264^2 .

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 28496465 - 216 = 28430929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28496467) 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, 31574 + ... + 32463.

It is an arithmetic number, because the mean of its divisors is an integer number (4322565).

Almost surely, 228496465 is an apocalyptic number.

It is an amenable number.

28496465 is a deficient number, since it is larger than the sum of its proper divisors (6084055).

28496465 is an equidigital number, since it uses as much as digits as its factorization.

28496465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64131.

The product of its digits is 414720, while the sum is 44.

The square root of 28496465 is about 5338.2080326641. The cubic root of 28496465 is about 305.4431076159.

The spelling of 28496465 in words is "twenty-eight million, four hundred ninety-six thousand, four hundred sixty-five".

Divisors: 1 5 89 445 64037 320185 5699293 28496465