Search a number
-
+
28424708 = 2213717699
BaseRepresentation
bin110110001101…
…1101000000100
31222111010100222
41230123220010
524234042313
62453123512
7463414604
oct154335004
958433328
1028424708
11150549a4
129629598
135b72c70
143abcc04
152767208
hex1b1ba04

28424708 has 24 divisors (see below), whose sum is σ = 54331200. Its totient is φ = 12932640.

The previous prime is 28424699. The next prime is 28424717. The reversal of 28424708 is 80742482.

It is an interprime number because it is at equal distance from previous prime (28424699) and next prime (28424717).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158 + ... + 7541.

It is an arithmetic number, because the mean of its divisors is an integer number (2263800).

Almost surely, 228424708 is an apocalyptic number.

It is an amenable number.

28424708 is a deficient number, since it is larger than the sum of its proper divisors (25906492).

28424708 is a wasteful number, since it uses less digits than its factorization.

28424708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787 (or 7785 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 28424708 is about 5331.4827205947. The cubic root of 28424708 is about 305.1865131712.

The spelling of 28424708 in words is "twenty-eight million, four hundred twenty-four thousand, seven hundred eight".

Divisors: 1 2 4 13 26 52 71 142 284 923 1846 3692 7699 15398 30796 100087 200174 400348 546629 1093258 2186516 7106177 14212354 28424708