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509040376 = 231337132287
BaseRepresentation
bin11110010101110…
…101011011111000
31022110211221010021
4132111311123320
52020303243001
6122302300224
715420525505
oct3625653370
91273757107
10509040376
11241381629
12122587674
13815cbc30
144b86a4ac
152ea51ba1
hex1e5756f8

509040376 has 32 divisors (see below), whose sum is σ = 1055658240. Its totient is φ = 228590208.

The previous prime is 509040373. The next prime is 509040397. The reversal of 509040376 is 673040905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (509040373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62296 + ... + 69991.

It is an arithmetic number, because the mean of its divisors is an integer number (32989320).

Almost surely, 2509040376 is an apocalyptic number.

It is an amenable number.

509040376 is an abundant number, since it is smaller than the sum of its proper divisors (546617864).

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

509040376 is a wasteful number, since it uses less digits than its factorization.

509040376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132343 (or 132339 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 509040376 is about 22561.9231449803. The cubic root of 509040376 is about 798.4555494260.

The spelling of 509040376 in words is "five hundred nine million, forty thousand, three hundred seventy-six".

Divisors: 1 2 4 8 13 26 37 52 74 104 148 296 481 962 1924 3848 132287 264574 529148 1058296 1719731 3439462 4894619 6878924 9789238 13757848 19578476 39156952 63630047 127260094 254520188 509040376