Search a number
-
+
28946124 = 2232804059
BaseRepresentation
bin110111001101…
…0111011001100
32000110121121200
41232122323030
524402233444
62512225500
7501016014
oct156327314
960417550
1028946124
1115380719
12983b290
135cc63ac
143bb6c44
15281b969
hex1b9aecc

28946124 has 18 divisors (see below), whose sum is σ = 73169460. Its totient is φ = 9648696.

The previous prime is 28946117. The next prime is 28946131. The reversal of 28946124 is 42164982.

It is an interprime number because it is at equal distance from previous prime (28946117) and next prime (28946131).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 804059 = 28946124 / (2 + 8 + 9 + 4 + 6 + 1 + 2 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 401994 + ... + 402065.

It is an arithmetic number, because the mean of its divisors is an integer number (4064970).

Almost surely, 228946124 is an apocalyptic number.

It is an amenable number.

28946124 is an abundant number, since it is smaller than the sum of its proper divisors (44223336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28946124 is a wasteful number, since it uses less digits than its factorization.

28946124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804069 (or 804064 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 28946124 is about 5380.1602206626. The cubic root of 28946124 is about 307.0413069934.

The spelling of 28946124 in words is "twenty-eight million, nine hundred forty-six thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 804059 1608118 2412177 3216236 4824354 7236531 9648708 14473062 28946124