[go: up one dir, main page]

Search a number
-
+
28896154 = 2731139479
BaseRepresentation
bin110111000111…
…0101110011010
32000101002001221
41232032232122
524344134104
62511202254
7500420230
oct156165632
960332057
1028896154
1115347121
12981638a
135ca9721
143ba2950
15280bc54
hex1b8eb9a

28896154 has 32 divisors (see below), whose sum is σ = 51609600. Its totient is φ = 11873520.

The previous prime is 28896137. The next prime is 28896167. The reversal of 28896154 is 45169882.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 28896154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60087 + ... + 60565.

It is an arithmetic number, because the mean of its divisors is an integer number (1612800).

Almost surely, 228896154 is an apocalyptic number.

28896154 is a deficient number, since it is larger than the sum of its proper divisors (22713446).

28896154 is a wasteful number, since it uses less digits than its factorization.

28896154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658.

The product of its digits is 138240, while the sum is 43.

The square root of 28896154 is about 5375.5143009762. The cubic root of 28896154 is about 306.8645223407.

The spelling of 28896154 in words is "twenty-eight million, eight hundred ninety-six thousand, one hundred fifty-four".

Divisors: 1 2 7 14 31 62 139 217 278 434 479 958 973 1946 3353 4309 6706 8618 14849 29698 30163 60326 66581 103943 133162 207886 466067 932134 2064011 4128022 14448077 28896154