Search a number
-
+
426235740 = 2235719311723
BaseRepresentation
bin11001011001111…
…101011101011100
31002201001000111220
4121121331131130
51333104020430
6110143413340
713363641540
oct3131753534
91081030456
10426235740
111a9665247
12ba8b4250
136a3c90c8
1440873a20
1527647110
hex1967d75c

426235740 has 192 divisors, whose sum is σ = 1482915840. Its totient is φ = 89268480.

The previous prime is 426235739. The next prime is 426235741. The reversal of 426235740 is 47532624.

It is an interprime number because it is at equal distance from previous prime (426235739) and next prime (426235741).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426235741) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 246519 + ... + 248241.

It is an arithmetic number, because the mean of its divisors is an integer number (7723520).

Almost surely, 2426235740 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 426235740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (741457920).

426235740 is an abundant number, since it is smaller than the sum of its proper divisors (1056680100).

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

426235740 is a wasteful number, since it uses less digits than its factorization.

426235740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The square root of 426235740 is about 20645.4774708651. The cubic root of 426235740 is about 752.5752892811.

The spelling of 426235740 in words is "four hundred twenty-six million, two hundred thirty-five thousand, seven hundred forty".