Base | Representation |
---|---|
bin | 10101111111001… |
… | …000110000111010 |
3 | 221201002122221200 |
4 | 111333020300322 |
5 | 1223412410011 |
6 | 100334115030 |
7 | 12066236022 |
oct | 2577106072 |
9 | 851078850 |
10 | 368872506 |
11 | 17a245412 |
12 | a364ba76 |
13 | 5b563372 |
14 | 36dc0a82 |
15 | 225b5856 |
hex | 15fc8c3a |
368872506 has 24 divisors (see below), whose sum is σ = 799606080. Its totient is φ = 122898696.
The previous prime is 368872487. The next prime is 368872507. The reversal of 368872506 is 605278863.
368872506 is a `hidden beast` number, since 3 + 68 + 87 + 2 + 506 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (368872507) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51025 + ... + 57803.
It is an arithmetic number, because the mean of its divisors is an integer number (33316920).
Almost surely, 2368872506 is an apocalyptic number.
368872506 is an abundant number, since it is smaller than the sum of its proper divisors (430733574).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
368872506 is a wasteful number, since it uses less digits than its factorization.
368872506 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9810 (or 9807 counting only the distinct ones).
The product of its (nonzero) digits is 483840, while the sum is 45.
The square root of 368872506 is about 19206.0538893340. The cubic root of 368872506 is about 717.1754733541.
It can be divided in two parts, 36887 and 2506, that added together give a palindrome (39393).
The spelling of 368872506 in words is "three hundred sixty-eight million, eight hundred seventy-two thousand, five hundred six".
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