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494973180 = 2234513191237
BaseRepresentation
bin11101100000001…
…011000011111100
31021111101020120000
4131200023003330
52003203120210
6121040554300
715160126332
oct3540130374
91244336500
10494973180
11234443749
12119922990
137b715050
1449a47b52
152d6c3ac0
hex1d80b0fc

494973180 has 240 divisors, whose sum is σ = 1761624480. Its totient is φ = 115333632.

The previous prime is 494973169. The next prime is 494973217. The reversal of 494973180 is 81379494.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 399522 + ... + 400758.

It is an arithmetic number, because the mean of its divisors is an integer number (7340102).

Almost surely, 2494973180 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 494973180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880812240).

494973180 is an abundant number, since it is smaller than the sum of its proper divisors (1266651300).

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

494973180 is a wasteful number, since it uses less digits than its factorization.

494973180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 494973180 is about 22247.9927184454. The cubic root of 494973180 is about 791.0317023185.

The spelling of 494973180 in words is "four hundred ninety-four million, nine hundred seventy-three thousand, one hundred eighty".