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28496470 = 252849647
BaseRepresentation
bin110110010110…
…1001001010110
31222121202210211
41230231021112
524243341340
62454440034
7464134042
oct154551126
958552724
1028496470
11150a3902
12966301a
135b99822
143adb022
15277d5ea
hex1b2d256

28496470 has 8 divisors (see below), whose sum is σ = 51293664. Its totient is φ = 11398584.

The previous prime is 28496467. The next prime is 28496477. The reversal of 28496470 is 7469482.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28496477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1424814 + ... + 1424833.

It is an arithmetic number, because the mean of its divisors is an integer number (6411708).

Almost surely, 228496470 is an apocalyptic number.

28496470 is a deficient number, since it is larger than the sum of its proper divisors (22797194).

28496470 is a wasteful number, since it uses less digits than its factorization.

28496470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2849654.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 28496470 is about 5338.2085009861. The cubic root of 28496470 is about 305.4431254803.

The spelling of 28496470 in words is "twenty-eight million, four hundred ninety-six thousand, four hundred seventy".

Divisors: 1 2 5 10 2849647 5699294 14248235 28496470