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28299374 = 214399833
BaseRepresentation
bin110101111110…
…1000001101110
31222020202102222
41223331001232
524221034444
62450315342
7462353315
oct153750156
958222388
1028299374
1114a79814
129588b52
135b2abbc
143a8927c
15273eeee
hex1afd06e

28299374 has 8 divisors (see below), whose sum is σ = 42482880. Its totient is φ = 14138416.

The previous prime is 28299371. The next prime is 28299377. The reversal of 28299374 is 47399282.

It is an interprime number because it is at equal distance from previous prime (28299371) and next prime (28299377).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28299371) 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, 2039 + ... + 7794.

It is an arithmetic number, because the mean of its divisors is an integer number (5310360).

Almost surely, 228299374 is an apocalyptic number.

28299374 is a deficient number, since it is larger than the sum of its proper divisors (14183506).

28299374 is a wasteful number, since it uses less digits than its factorization.

28299374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11274.

The product of its digits is 217728, while the sum is 44.

The square root of 28299374 is about 5319.7155939016. The cubic root of 28299374 is about 304.7372959629.

The spelling of 28299374 in words is "twenty-eight million, two hundred ninety-nine thousand, three hundred seventy-four".

Divisors: 1 2 1439 2878 9833 19666 14149687 28299374