Search a number
-
+
28623098 = 272044507
BaseRepresentation
bin110110100110…
…0000011111010
31222212012111202
41231030003322
524311414343
62501254202
7465202160
oct155140372
958765452
1028623098
111517aa59
129704362
135c1235a
143b31230
1527a5db8
hex1b4c0fa

28623098 has 8 divisors (see below), whose sum is σ = 49068192. Its totient is φ = 12267036.

The previous prime is 28623071. The next prime is 28623143. The reversal of 28623098 is 89032682.

It is a happy number.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1022240 + ... + 1022267.

It is an arithmetic number, because the mean of its divisors is an integer number (6133524).

Almost surely, 228623098 is an apocalyptic number.

28623098 is a deficient number, since it is larger than the sum of its proper divisors (20445094).

28623098 is a wasteful number, since it uses less digits than its factorization.

28623098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044516.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 28623098 is about 5350.0558875586. The cubic root of 28623098 is about 305.8948832276.

The spelling of 28623098 in words is "twenty-eight million, six hundred twenty-three thousand, ninety-eight".

Divisors: 1 2 7 14 2044507 4089014 14311549 28623098