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613380 = 223510223
BaseRepresentation
bin10010101110000000100
31011011101210
42111300010
5124112010
621051420
75133165
oct2256004
91134353
10613380
11389929
12256b70
13186261
1411d76c
15c1b20
hex95c04

613380 has 24 divisors (see below), whose sum is σ = 1717632. Its totient is φ = 163552.

The previous prime is 613367. The next prime is 613381. The reversal of 613380 is 83316.

It is not an unprimeable number, because it can be changed into a prime (613381) by changing a digit.

613380 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 (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5052 + ... + 5171.

It is an arithmetic number, because the mean of its divisors is an integer number (71568).

2613380 is an apocalyptic number.

613380 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

613380 is an abundant number, since it is smaller than the sum of its proper divisors (1104252).

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

613380 is a wasteful number, since it uses less digits than its factorization.

613380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10235 (or 10233 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 613380 is about 783.1858017099. The cubic root of 613380 is about 84.9656146963.

Adding to 613380 its reverse (83316), we get a palindrome (696696).

The spelling of 613380 in words is "six hundred thirteen thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 10223 20446 30669 40892 51115 61338 102230 122676 153345 204460 306690 613380