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3113430 = 235591759
BaseRepresentation
bin1011111000000111010110
312212011211020
423320013112
51244112210
6150422010
735315025
oct13700726
95764736
103113430
111837191
121061906
13850188
145b08bc
15417770
hex2f81d6

3113430 has 32 divisors (see below), whose sum is σ = 7603200. Its totient is φ = 815712.

The previous prime is 3113401. The next prime is 3113437. The reversal of 3113430 is 343113.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 891 + ... + 2649.

It is an arithmetic number, because the mean of its divisors is an integer number (237600).

Almost surely, 23113430 is an apocalyptic number.

3113430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801600).

3113430 is an abundant number, since it is smaller than the sum of its proper divisors (4489770).

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

3113430 is a wasteful number, since it uses less digits than its factorization.

3113430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 3113430 is about 1764.4914281458. The cubic root of 3113430 is about 146.0202323872.

Adding to 3113430 its reverse (343113), we get a palindrome (3456543).

It can be divided in two parts, 311 and 3430, that added together give a triangular number (3741 = T86).

The spelling of 3113430 in words is "three million, one hundred thirteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 59 118 177 295 354 590 885 1759 1770 3518 5277 8795 10554 17590 26385 52770 103781 207562 311343 518905 622686 1037810 1556715 3113430