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495287520 = 2535713172329
BaseRepresentation
bin11101100001010…
…111110011100000
31021111222012202020
4131201113303200
52003243200040
6121051421440
715162605640
oct3541276340
91244865666
10495287520
11234638932
12119a54880
137b7c5150
1449aca520
152d736cd0
hex1d857ce0

495287520 has 768 divisors, whose sum is σ = 2194698240. Its totient is φ = 90832896.

The previous prime is 495287519. The next prime is 495287539. The reversal of 495287520 is 25782594.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17078866 + ... + 17078894.

It is an arithmetic number, because the mean of its divisors is an integer number (2857680).

Almost surely, 2495287520 is an apocalyptic number.

495287520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 495287520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097349120).

495287520 is an abundant number, since it is smaller than the sum of its proper divisors (1699410720).

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

495287520 is a wasteful number, since it uses less digits than its factorization.

495287520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 495287520 is about 22255.0560547485. The cubic root of 495287520 is about 791.1991189901.

The spelling of 495287520 in words is "four hundred ninety-five million, two hundred eighty-seven thousand, five hundred twenty".