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8301380 = 225415069
BaseRepresentation
bin11111101010101101000100
3120121202100112
4133222231010
54111121010
6453532152
7130363163
oct37525504
916552315
108301380
11475aa4a
122944058
131948679
1411613da
15adea05
hex7eab44

8301380 has 12 divisors (see below), whose sum is σ = 17432940. Its totient is φ = 3320544.

The previous prime is 8301379. The next prime is 8301401. The reversal of 8301380 is 831038.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 5683456 = 1618^2 + 2384^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 207515 + ... + 207554.

It is an arithmetic number, because the mean of its divisors is an integer number (1452745).

Almost surely, 28301380 is an apocalyptic number.

It is an amenable number.

8301380 is an abundant number, since it is smaller than the sum of its proper divisors (9131560).

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

8301380 is a wasteful number, since it uses less digits than its factorization.

8301380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415078 (or 415076 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8301380 is about 2881.2115507196. The cubic root of 8301380 is about 202.4806057735.

The spelling of 8301380 in words is "eight million, three hundred one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 415069 830138 1660276 2075345 4150690 8301380