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504978380 = 22525248919
BaseRepresentation
bin11110000110010…
…101101111001100
31022012012120002222
4132012111233030
52013233302010
6122035234512
715341150114
oct3606255714
91265176088
10504978380
1123a057805
12121148a38
138080909a
144b0d0044
152e4ed355
hex1e195bcc

504978380 has 12 divisors (see below), whose sum is σ = 1060454640. Its totient is φ = 201991344.

The previous prime is 504978379. The next prime is 504978389. The reversal of 504978380 is 83879405.

It is not an unprimeable number, because it can be changed into a prime (504978389) 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, 12624440 + ... + 12624479.

It is an arithmetic number, because the mean of its divisors is an integer number (88371220).

Almost surely, 2504978380 is an apocalyptic number.

It is an amenable number.

504978380 is an abundant number, since it is smaller than the sum of its proper divisors (555476260).

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

504978380 is a wasteful number, since it uses less digits than its factorization.

504978380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25248928 (or 25248926 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 504978380 is about 22471.7240104092. The cubic root of 504978380 is about 796.3260597823.

The spelling of 504978380 in words is "five hundred four million, nine hundred seventy-eight thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 25248919 50497838 100995676 126244595 252489190 504978380