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8105772 = 223675481
BaseRepresentation
bin11110111010111100101100
3120020211000210
4132322330230
54033341042
6445422420
7125616663
oct36727454
916224023
108105772
114636a94
12286aa10
1318aa61c
14110ddda
15aa1a9c
hex7baf2c

8105772 has 12 divisors (see below), whose sum is σ = 18913496. Its totient is φ = 2701920.

The previous prime is 8105771. The next prime is 8105789. The reversal of 8105772 is 2775018.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (8105771) 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, 337729 + ... + 337752.

Almost surely, 28105772 is an apocalyptic number.

It is an amenable number.

8105772 is an abundant number, since it is smaller than the sum of its proper divisors (10807724).

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

8105772 is a wasteful number, since it uses less digits than its factorization.

8105772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675488 (or 675486 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 8105772 is about 2847.0637506034. The cubic root of 8105772 is about 200.8775769943.

The spelling of 8105772 in words is "eight million, one hundred five thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 675481 1350962 2026443 2701924 4052886 8105772