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28230602 = 228514951
BaseRepresentation
bin110101110110…
…0001111001010
31222010021002212
41223230033022
524211334402
62445025122
7461645651
oct153541712
958107085
1028230602
1114a32084
1295551a2
135b057ca
143a6c198
152729952
hex1aec3ca

28230602 has 8 divisors (see below), whose sum is σ = 42369312. Its totient is φ = 14107500.

The previous prime is 28230581. The next prime is 28230607. The reversal of 28230602 is 20603282.

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

It is not an unprimeable number, because it can be changed into a prime (28230607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227 + ... + 8177.

It is an arithmetic number, because the mean of its divisors is an integer number (5296164).

Almost surely, 228230602 is an apocalyptic number.

28230602 is a deficient number, since it is larger than the sum of its proper divisors (14138710).

28230602 is a wasteful number, since it uses less digits than its factorization.

28230602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 28230602 is about 5313.2477826655. The cubic root of 28230602 is about 304.4902422898.

Adding to 28230602 its reverse (20603282), we get a palindrome (48833884).

The spelling of 28230602 in words is "twenty-eight million, two hundred thirty thousand, six hundred two".

Divisors: 1 2 2851 4951 5702 9902 14115301 28230602