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28124002 = 259238339
BaseRepresentation
bin110101101001…
…0001101100010
31221220211212201
41223102031202
524144432002
62442443414
7461023114
oct153221542
957824781
1028124002
1114969a85
12950356a
135a9912a
143a413b4
152708087
hex1ad2362

28124002 has 8 divisors (see below), whose sum is σ = 42901200. Its totient is φ = 13823604.

The previous prime is 28123999. The next prime is 28124011. The reversal of 28124002 is 20042182.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119052 + ... + 119287.

It is an arithmetic number, because the mean of its divisors is an integer number (5362650).

Almost surely, 228124002 is an apocalyptic number.

28124002 is a deficient number, since it is larger than the sum of its proper divisors (14777198).

28124002 is a wasteful number, since it uses less digits than its factorization.

28124002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238400.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 28124002 is about 5303.2067657220. The cubic root of 28124002 is about 304.1065026768.

Adding to 28124002 its reverse (20042182), we get a palindrome (48166184).

The spelling of 28124002 in words is "twenty-eight million, one hundred twenty-four thousand, two".

Divisors: 1 2 59 118 238339 476678 14062001 28124002