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28433266 = 228150593
BaseRepresentation
bin110110001110…
…1101101110010
31222111120002221
41230131231302
524234331031
62453231254
7463451551
oct154355562
958446087
1028433266
1115060374
12963252a
135b76b24
143ac1d98
152769a11
hex1b1db72

28433266 has 8 divisors (see below), whose sum is σ = 42802524. Its totient is φ = 14165760.

The previous prime is 28433263. The next prime is 28433269. The reversal of 28433266 is 66233482.

It is an interprime number because it is at equal distance from previous prime (28433263) and next prime (28433269).

It can be written as a sum of positive squares in 2 ways, for example, as 28249225 + 184041 = 5315^2 + 429^2 .

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

It is not an unprimeable number, because it can be changed into a prime (28433263) 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, 24735 + ... + 25858.

Almost surely, 228433266 is an apocalyptic number.

28433266 is a deficient number, since it is larger than the sum of its proper divisors (14369258).

28433266 is a wasteful number, since it uses less digits than its factorization.

28433266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50876.

The product of its digits is 41472, while the sum is 34.

The square root of 28433266 is about 5332.2852511845. The cubic root of 28433266 is about 305.2171382188.

The spelling of 28433266 in words is "twenty-eight million, four hundred thirty-three thousand, two hundred sixty-six".

Divisors: 1 2 281 562 50593 101186 14216633 28433266