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28377254 = 229489263
BaseRepresentation
bin110110001000…
…0000010100110
31222101201021102
41230100002212
524231033004
62452120102
7463126343
oct154200246
958351242
1028377254
1115022284
129606032
135b57499
143aa97ca
15275811e
hex1b100a6

28377254 has 8 divisors (see below), whose sum is σ = 44033760. Its totient is φ = 13699336.

The previous prime is 28377229. The next prime is 28377257. The reversal of 28377254 is 45277382.

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 (28377257) 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, 244574 + ... + 244689.

It is an arithmetic number, because the mean of its divisors is an integer number (5504220).

Almost surely, 228377254 is an apocalyptic number.

28377254 is a deficient number, since it is larger than the sum of its proper divisors (15656506).

28377254 is a wasteful number, since it uses less digits than its factorization.

28377254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489294.

The product of its digits is 94080, while the sum is 38.

The square root of 28377254 is about 5327.0305048873. The cubic root of 28377254 is about 305.0165860370.

The spelling of 28377254 in words is "twenty-eight million, three hundred seventy-seven thousand, two hundred fifty-four".

Divisors: 1 2 29 58 489263 978526 14188627 28377254