Search a number
-
+
368638028 = 221173114769
BaseRepresentation
bin10101111110001…
…111100001001100
3221200122202022022
4111332033201030
51223332404103
6100325105312
712064241303
oct2576174114
9850582268
10368638028
1117a0a5230
12a3558238
135b4b0715
1436d5d43a
152256b138
hex15f8f84c

368638028 has 24 divisors (see below), whose sum is σ = 713410320. Its totient is φ = 165265920.

The previous prime is 368638021. The next prime is 368638033. The reversal of 368638028 is 820836863.

It is a Smith number, since the sum of its digits (44) 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 (44).

It is a self number, because there is not a number n which added to its sum of digits gives 368638028.

It is not an unprimeable number, because it can be changed into a prime (368638021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54173 + ... + 60596.

It is an arithmetic number, because the mean of its divisors is an integer number (29725430).

Almost surely, 2368638028 is an apocalyptic number.

It is an amenable number.

368638028 is a deficient number, since it is larger than the sum of its proper divisors (344772292).

368638028 is a wasteful number, since it uses less digits than its factorization.

368638028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114857 (or 114855 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 368638028 is about 19199.9486457647. The cubic root of 368638028 is about 717.0234808979.

It can be divided in two parts, 3686 and 38028, that added together give a palindrome (41714).

The spelling of 368638028 in words is "three hundred sixty-eight million, six hundred thirty-eight thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 73 146 292 803 1606 3212 114769 229538 459076 1262459 2524918 5049836 8378137 16756274 33512548 92159507 184319014 368638028