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438426472 = 23114982119
BaseRepresentation
bin11010001000011…
…101101101101000
31010112222101001111
4122020131231220
51344214121342
6111301000104
713602364201
oct3210355550
91115871044
10438426472
11205531330
121029b3034
136caa6b63
14423285a8
1528754217
hex1a21db68

438426472 has 16 divisors (see below), whose sum is σ = 896781600. Its totient is φ = 199284720.

The previous prime is 438426467. The next prime is 438426473. The reversal of 438426472 is 274624834.

It is not an unprimeable number, because it can be changed into a prime (438426473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2490972 + ... + 2491147.

It is an arithmetic number, because the mean of its divisors is an integer number (56048850).

Almost surely, 2438426472 is an apocalyptic number.

It is an amenable number.

438426472 is an abundant number, since it is smaller than the sum of its proper divisors (458355128).

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

438426472 is a wasteful number, since it uses less digits than its factorization.

438426472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4982136 (or 4982132 counting only the distinct ones).

The product of its digits is 258048, while the sum is 40.

The square root of 438426472 is about 20938.6358676968. The cubic root of 438426472 is about 759.6827346106.

The spelling of 438426472 in words is "four hundred thirty-eight million, four hundred twenty-six thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 22 44 88 4982119 9964238 19928476 39856952 54803309 109606618 219213236 438426472