Search a number
-
+
28333048 = 233541631
BaseRepresentation
bin110110000010…
…1001111111000
31222022110122011
41230011033320
524223124143
62451135304
7462553432
oct154051770
958273564
1028333048
1114aa2047
1295a4534
135b40323
143a97652
152749e9d
hex1b053f8

28333048 has 8 divisors (see below), whose sum is σ = 53124480. Its totient is φ = 14166520.

The previous prime is 28333037. The next prime is 28333049. The reversal of 28333048 is 84033382.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28333049) by changing a digit.

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 as a sum of consecutive naturals, namely, 1770808 + ... + 1770823.

It is an arithmetic number, because the mean of its divisors is an integer number (6640560).

Almost surely, 228333048 is an apocalyptic number.

It is an amenable number.

28333048 is a deficient number, since it is larger than the sum of its proper divisors (24791432).

28333048 is a wasteful number, since it uses less digits than its factorization.

28333048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3541637 (or 3541633 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 28333048 is about 5322.8796717566. The cubic root of 28333048 is about 304.8581190853.

The spelling of 28333048 in words is "twenty-eight million, three hundred thirty-three thousand, forty-eight".

Divisors: 1 2 4 8 3541631 7083262 14166524 28333048