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28594801 = 191149711
BaseRepresentation
bin110110100010…
…1001001110001
31222210202200201
41231011021301
524310013201
62500515201
7465023524
oct155051161
958722621
1028594801
1115160774
1296abb01
135c02501
143b24bbb
15279c801
hex1b45271

28594801 has 4 divisors (see below), whose sum is σ = 28744704. Its totient is φ = 28444900.

The previous prime is 28594793. The next prime is 28594807. The reversal of 28594801 is 10849582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28594801 - 23 = 28594793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28594807) 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, 74665 + ... + 75046.

It is an arithmetic number, because the mean of its divisors is an integer number (7186176).

Almost surely, 228594801 is an apocalyptic number.

It is an amenable number.

28594801 is a deficient number, since it is larger than the sum of its proper divisors (149903).

28594801 is a wasteful number, since it uses less digits than its factorization.

28594801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149902.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 28594801 is about 5347.4106818160. The cubic root of 28594801 is about 305.7940466991.

It can be divided in two parts, 2859480 and 1, that added together give a square (2859481 = 16912).

The spelling of 28594801 in words is "twenty-eight million, five hundred ninety-four thousand, eight hundred one".

Divisors: 1 191 149711 28594801