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28374301 = 37766873
BaseRepresentation
bin110110000111…
…1010100011101
31222101120020001
41230033110131
524230434201
62452054301
7463114624
oct154172435
958346201
1028374301
111502003a
129604391
135b56037
143aa86bb
152757301
hex1b0f51d

28374301 has 4 divisors (see below), whose sum is σ = 29141212. Its totient is φ = 27607392.

The previous prime is 28374293. The next prime is 28374317. The reversal of 28374301 is 10347382.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21846276 + 6528025 = 4674^2 + 2555^2 .

It is a cyclic number.

It is not a de Polignac number, because 28374301 - 23 = 28374293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28374301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28374371) 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, 383400 + ... + 383473.

It is an arithmetic number, because the mean of its divisors is an integer number (7285303).

Almost surely, 228374301 is an apocalyptic number.

It is an amenable number.

28374301 is a deficient number, since it is larger than the sum of its proper divisors (766911).

28374301 is an equidigital number, since it uses as much as digits as its factorization.

28374301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766910.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 28374301 is about 5326.7533263706. The cubic root of 28374301 is about 305.0060054358.

The spelling of 28374301 in words is "twenty-eight million, three hundred seventy-four thousand, three hundred one".

Divisors: 1 37 766873 28374301