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28413011 = 112989069
BaseRepresentation
bin110110001100…
…0110001010011
31222110112022202
41230120301103
524233204021
62452553415
7463335524
oct154306123
958415282
1028413011
1115047130
12962286b
135b6a843
143ab884b
152763a0b
hex1b18c53

28413011 has 8 divisors (see below), whose sum is σ = 32065200. Its totient is φ = 24939040.

The previous prime is 28412977. The next prime is 28413029. The reversal of 28413011 is 11031482.

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 28413011 - 210 = 28411987 is a prime.

It is a super-2 number, since 2×284130112 = 1614598388172242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28413031) 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, 44216 + ... + 44853.

It is an arithmetic number, because the mean of its divisors is an integer number (4008150).

Almost surely, 228413011 is an apocalyptic number.

28413011 is a deficient number, since it is larger than the sum of its proper divisors (3652189).

28413011 is a wasteful number, since it uses less digits than its factorization.

28413011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89109.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 28413011 is about 5330.3856333290. The cubic root of 28413011 is about 305.1446451783.

Adding to 28413011 its reverse (11031482), we get a palindrome (39444493).

The spelling of 28413011 in words is "twenty-eight million, four hundred thirteen thousand, eleven".

Divisors: 1 11 29 319 89069 979759 2583001 28413011