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478240326 = 23226568907
BaseRepresentation
bin11100100000010…
…101111001000110
31020022220010101200
4130200111321012
51434412142301
6115242203330
714564655444
oct3440257106
91208803350
10478240326
11225a55043
121141b3546
1378106a55
144772db94
152bebac86
hex1c815e46

478240326 has 12 divisors (see below), whose sum is σ = 1036187412. Its totient is φ = 159413436.

The previous prime is 478240319. The next prime is 478240327. The reversal of 478240326 is 623042874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478240327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13284436 + ... + 13284471.

It is an arithmetic number, because the mean of its divisors is an integer number (86348951).

Almost surely, 2478240326 is an apocalyptic number.

478240326 is an abundant number, since it is smaller than the sum of its proper divisors (557947086).

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

478240326 is a wasteful number, since it uses less digits than its factorization.

478240326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26568915 (or 26568912 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 478240326 is about 21868.7065461129. The cubic root of 478240326 is about 782.0155662637.

The spelling of 478240326 in words is "four hundred seventy-eight million, two hundred forty thousand, three hundred twenty-six".

Divisors: 1 2 3 6 9 18 26568907 53137814 79706721 159413442 239120163 478240326