Search a number
-
+
28624195384 = 2328112733183
BaseRepresentation
bin11010101010001000…
…101000111100111000
32201212212110210020121
4122222020220330320
5432110243223014
621052203503024
72032222434451
oct325210507470
981785423217
1028624195384
1111159680724
12566a227a74
132912338525
141557834128
15b27e63124
hex6aa228f38

28624195384 has 16 divisors (see below), whose sum is σ = 53861368320. Its totient is φ = 14261163840.

The previous prime is 28624195363. The next prime is 28624195429. The reversal of 28624195384 is 48359142682.

It is a happy number.

It is a super-2 number, since 2×286241953842 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 6364344 + ... + 6368839.

It is an arithmetic number, because the mean of its divisors is an integer number (3366335520).

Almost surely, 228624195384 is an apocalyptic number.

It is an amenable number.

28624195384 is a deficient number, since it is larger than the sum of its proper divisors (25237172936).

28624195384 is a wasteful number, since it uses less digits than its factorization.

28624195384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12733470 (or 12733466 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 28624195384 in words is "twenty-eight billion, six hundred twenty-four million, one hundred ninety-five thousand, three hundred eighty-four".

Divisors: 1 2 4 8 281 562 1124 2248 12733183 25466366 50932732 101865464 3578024423 7156048846 14312097692 28624195384