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499542912 = 27321179499
BaseRepresentation
bin11101110001100…
…110101110000000
31021210222102001100
4131301212232000
52010340333122
6121322534400
715244021221
oct3561465600
91253872040
10499542912
11236a84a90
1211b367400
137c65502b
144a4b7248
152dcc7aac
hex1dc66b80

499542912 has 192 divisors, whose sum is σ = 1591200000. Its totient is φ = 149160960.

The previous prime is 499542907. The next prime is 499542917. The reversal of 499542912 is 219245994.

499542912 is a `hidden beast` number, since 4 + 99 + 542 + 9 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (499542907) and next prime (499542917).

It is a tau number, because it is divible by the number of its divisors (192).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499542917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000839 + ... + 1001337.

It is an arithmetic number, because the mean of its divisors is an integer number (8287500).

Almost surely, 2499542912 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 499542912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (795600000).

499542912 is an abundant number, since it is smaller than the sum of its proper divisors (1091657088).

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

499542912 is a wasteful number, since it uses less digits than its factorization.

499542912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 594 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 499542912 is about 22350.4566396304. The cubic root of 499542912 is about 793.4585915882.

The spelling of 499542912 in words is "four hundred ninety-nine million, five hundred forty-two thousand, nine hundred twelve".