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1464223488 = 28372134173
BaseRepresentation
bin101011101000110…
…0100011100000000
310210001012021000120
41113101210130000
510444320122423
6401143220240
751166460100
oct12721443400
93701167016
101464223488
11691574862
1234a447680
131a4476c40
14dc66d200
158882dee3
hex57464700

1464223488 has 432 divisors, whose sum is σ = 5069496096. Its totient is φ = 371589120.

The previous prime is 1464223483. The next prime is 1464223499. The reversal of 1464223488 is 8843224641.

It is a happy number.

It is a super-2 number, since 2×14642234882 = 4287900845621772288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464223483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20057820 + ... + 20057892.

Almost surely, 21464223488 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 1464223488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2534748048).

1464223488 is an abundant number, since it is smaller than the sum of its proper divisors (3605272608).

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

1464223488 is a wasteful number, since it uses less digits than its factorization.

1464223488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 139 counting only the distinct ones).

The product of its digits is 294912, while the sum is 42.

The square root of 1464223488 is about 38265.1733041940. The cubic root of 1464223488 is about 1135.5400505240.

The spelling of 1464223488 in words is "one billion, four hundred sixty-four million, two hundred twenty-three thousand, four hundred eighty-eight".