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28341371 = 37765983
BaseRepresentation
bin110110000011…
…1010001111011
31222022220001102
41230013101323
524223410441
62451242015
7462616622
oct154072173
958286042
1028341371
1114aa8323
1295a930b
135b44056
143a9a6b9
15274c69b
hex1b0747b

28341371 has 4 divisors (see below), whose sum is σ = 29107392. Its totient is φ = 27575352.

The previous prime is 28341317. The next prime is 28341419. The reversal of 28341371 is 17314382.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28341371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28346371) 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, 382955 + ... + 383028.

It is an arithmetic number, because the mean of its divisors is an integer number (7276848).

Almost surely, 228341371 is an apocalyptic number.

28341371 is a deficient number, since it is larger than the sum of its proper divisors (766021).

28341371 is an equidigital number, since it uses as much as digits as its factorization.

28341371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766020.

The product of its digits is 4032, while the sum is 29.

The square root of 28341371 is about 5323.6614280023. The cubic root of 28341371 is about 304.8879674531.

The spelling of 28341371 in words is "twenty-eight million, three hundred forty-one thousand, three hundred seventy-one".

Divisors: 1 37 765983 28341371