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426813948 = 223511219191
BaseRepresentation
bin11001011100001…
…010100111111100
31002202010101200000
4121130022213330
51333231021243
6110204034300
713401600351
oct3134124774
91082111600
10426813948
111a9a1a700
12bab32990
136a56c342
1440984628
152770d5d3
hex1970a9fc

426813948 has 216 divisors, whose sum is σ = 1301314560. Its totient is φ = 121888800.

The previous prime is 426813943. The next prime is 426813949. The reversal of 426813948 is 849318624.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426813943) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2234533 + ... + 2234723.

Almost surely, 2426813948 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 426813948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650657280).

426813948 is an abundant number, since it is smaller than the sum of its proper divisors (874500612).

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

426813948 is a wasteful number, since it uses less digits than its factorization.

426813948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 226 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 426813948 is about 20659.4759856101. The cubic root of 426813948 is about 752.9154362902.

The spelling of 426813948 in words is "four hundred twenty-six million, eight hundred thirteen thousand, nine hundred forty-eight".