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8423928 = 2332791481
BaseRepresentation
bin100000001000…
…100111111000
3120211222110100
4200020213320
54124031203
6500315400
7131413362
oct40104770
916758410
108423928
114834027
1229a2b60
13198c396
141193d32
15b15ea3
hex8089f8

8423928 has 48 divisors (see below), whose sum is σ = 23119200. Its totient is φ = 2770560.

The previous prime is 8423927. The next prime is 8423929. The reversal of 8423928 is 8293248.

8423928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8423927) and next prime (8423929).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 8423892 and 8423901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423923) 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, 4948 + ... + 6428.

It is an arithmetic number, because the mean of its divisors is an integer number (481650).

Almost surely, 28423928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8423928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11559600).

8423928 is an abundant number, since it is smaller than the sum of its proper divisors (14695272).

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

8423928 is a wasteful number, since it uses less digits than its factorization.

8423928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1565 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 8423928 is about 2902.4003858875. The cubic root of 8423928 is about 203.4721068849.

The spelling of 8423928 in words is "eight million, four hundred twenty-three thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 632 711 948 1422 1481 1896 2844 2962 4443 5688 5924 8886 11848 13329 17772 26658 35544 53316 106632 116999 233998 350997 467996 701994 935992 1052991 1403988 2105982 2807976 4211964 8423928