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8112916 = 2273741191
BaseRepresentation
bin11110111100101100010100
3120021011211101
4132330230110
54034103131
6445515444
7125646550
oct36745424
916234741
108112916
114641399
122872b84
1318b0956
141112860
15aa3c61
hex7bcb14

8112916 has 48 divisors (see below), whose sum is σ = 17160192. Its totient is φ = 3283200.

The previous prime is 8112911. The next prime is 8112919. The reversal of 8112916 is 6192118.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8112911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42381 + ... + 42571.

It is an arithmetic number, because the mean of its divisors is an integer number (357504).

Almost surely, 28112916 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 8112916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8580096).

8112916 is an abundant number, since it is smaller than the sum of its proper divisors (9047276).

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

8112916 is a wasteful number, since it uses less digits than its factorization.

8112916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 278 counting only the distinct ones).

The product of its digits is 864, while the sum is 28.

The square root of 8112916 is about 2848.3181002128. The cubic root of 8112916 is about 200.9365739666.

The spelling of 8112916 in words is "eight million, one hundred twelve thousand, nine hundred sixteen".

Divisors: 1 2 4 7 14 28 37 41 74 82 148 164 191 259 287 382 518 574 764 1036 1148 1337 1517 2674 3034 5348 6068 7067 7831 10619 14134 15662 21238 28268 31324 42476 49469 54817 98938 109634 197876 219268 289747 579494 1158988 2028229 4056458 8112916