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4131420 = 2235371861
BaseRepresentation
bin1111110000101001011100
321202220020120
433300221130
52024201140
6224314540
750054646
oct17605134
97686216
104131420
112371aa7
121472a50
13b18637
14797896
155691d0
hex3f0a5c

4131420 has 48 divisors (see below), whose sum is σ = 11887008. Its totient is φ = 1071360.

The previous prime is 4131409. The next prime is 4131443. The reversal of 4131420 is 241314.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4131420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (247646).

Almost surely, 24131420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5943504).

4131420 is an abundant number, since it is smaller than the sum of its proper divisors (7755588).

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

4131420 is a wasteful number, since it uses less digits than its factorization.

4131420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910 (or 1908 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 4131420 is about 2032.5894814251. The cubic root of 4131420 is about 160.4598748697.

Adding to 4131420 its reverse (241314), we get a palindrome (4372734).

The spelling of 4131420 in words is "four million, one hundred thirty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 1861 2220 3722 5583 7444 9305 11166 18610 22332 27915 37220 55830 68857 111660 137714 206571 275428 344285 413142 688570 826284 1032855 1377140 2065710 4131420