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5121928 = 23791463
BaseRepresentation
bin10011100010011110001000
3100122012222001
4103202132020
52302400203
6301440344
761351510
oct23423610
910565861
105121928
1129891a9
1218700b4
1310a4436
14974840
156b291d
hex4e2788

5121928 has 16 divisors (see below), whose sum is σ = 10975680. Its totient is φ = 2195088.

The previous prime is 5121923. The next prime is 5121929. The reversal of 5121928 is 8291215.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 5121896 and 5121905.

It is not an unprimeable number, because it can be changed into a prime (5121923) 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, 45676 + ... + 45787.

It is an arithmetic number, because the mean of its divisors is an integer number (685980).

Almost surely, 25121928 is an apocalyptic number.

It is an amenable number.

5121928 is an abundant number, since it is smaller than the sum of its proper divisors (5853752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5121928 is a wasteful number, since it uses less digits than its factorization.

5121928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91476 (or 91472 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 5121928 is about 2263.1676915333. The cubic root of 5121928 is about 172.3764066026.

The spelling of 5121928 in words is "five million, one hundred twenty-one thousand, nine hundred twenty-eight".

Divisors: 1 2 4 7 8 14 28 56 91463 182926 365852 640241 731704 1280482 2560964 5121928