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28264241 = 294672087
BaseRepresentation
bin110101111010…
…0011100110001
31222011222020202
41223310130301
524213423431
62445444545
7462146015
oct153643461
958158222
1028264241
1114a55385
129570755
135b17c05
143a7a545
1527348cb
hex1af4731

28264241 has 8 divisors (see below), whose sum is σ = 29315520. Its totient is φ = 27218128.

The previous prime is 28264237. The next prime is 28264273. The reversal of 28264241 is 14246282.

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 28264241 - 22 = 28264237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (28264141) 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, 12500 + ... + 14586.

It is an arithmetic number, because the mean of its divisors is an integer number (3664440).

Almost surely, 228264241 is an apocalyptic number.

It is an amenable number.

28264241 is a deficient number, since it is larger than the sum of its proper divisors (1051279).

28264241 is a wasteful number, since it uses less digits than its factorization.

28264241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2583.

The product of its digits is 6144, while the sum is 29.

The square root of 28264241 is about 5316.4124181632. The cubic root of 28264241 is about 304.6111357043.

The spelling of 28264241 in words is "twenty-eight million, two hundred sixty-four thousand, two hundred forty-one".

Divisors: 1 29 467 2087 13543 60523 974629 28264241