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745148 = 221071741
BaseRepresentation
bin10110101111010111100
31101212011002
42311322330
5142321043
623545432
76222305
oct2657274
91355132
10745148
11469928
122bb278
13201221
141557ac
15eabb8
hexb5ebc

745148 has 12 divisors (see below), whose sum is σ = 1316952. Its totient is φ = 368880.

The previous prime is 745141. The next prime is 745181. The reversal of 745148 is 841547.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 745148.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745141) by changing a digit.

745148 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 443 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (109746).

2745148 is an apocalyptic number.

It is an amenable number.

745148 is a deficient number, since it is larger than the sum of its proper divisors (571804).

745148 is a wasteful number, since it uses less digits than its factorization.

745148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1850 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 745148 is about 863.2195549222. The cubic root of 745148 is about 90.6596796327.

The spelling of 745148 in words is "seven hundred forty-five thousand, one hundred forty-eight".

Divisors: 1 2 4 107 214 428 1741 3482 6964 186287 372574 745148