Search a number
-
+
426202440 = 23353551687
BaseRepresentation
bin11001011001110…
…101010101001000
31002200222022211120
4121121311111020
51333101434230
6110142555240
713363442466
oct3131652510
91080868746
10426202440
111a9642224
12ba898b20
136a3b6bc1
1440865836
152763c310
hex19675548

426202440 has 32 divisors (see below), whose sum is σ = 1278607680. Its totient is φ = 113653952.

The previous prime is 426202429. The next prime is 426202481. The reversal of 426202440 is 44202624.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 426202440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775724 + ... + 1775963.

It is an arithmetic number, because the mean of its divisors is an integer number (39956490).

Almost surely, 2426202440 is an apocalyptic number.

426202440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

426202440 is an abundant number, since it is smaller than the sum of its proper divisors (852405240).

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

426202440 is a wasteful number, since it uses less digits than its factorization.

426202440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551701 (or 3551697 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 426202440 is about 20644.6709830891. The cubic root of 426202440 is about 752.5556902600. Note that the first 3 decimals are identical.

The spelling of 426202440 in words is "four hundred twenty-six million, two hundred two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3551687 7103374 10655061 14206748 17758435 21310122 28413496 35516870 42620244 53275305 71033740 85240488 106550610 142067480 213101220 426202440