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507890020 = 225113476653
BaseRepresentation
bin11110010001011…
…100100101100100
31022101200111010111
4132101130211210
52020004440040
6122221502404
715404664631
oct3621344544
91271614114
10507890020
11240766320
12122111a04
13812b8451
144b64b188
152e8c5dea
hex1e45c964

507890020 has 48 divisors (see below), whose sum is σ = 1167058368. Its totient is φ = 184127360.

The previous prime is 507890017. The next prime is 507890059. The reversal of 507890020 is 20098705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73014 + ... + 79666.

It is an arithmetic number, because the mean of its divisors is an integer number (24313716).

Almost surely, 2507890020 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 507890020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583529184).

507890020 is an abundant number, since it is smaller than the sum of its proper divisors (659168348).

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

507890020 is a wasteful number, since it uses less digits than its factorization.

507890020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7020 (or 7018 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 507890020 is about 22536.4154203813. The cubic root of 507890020 is about 797.8536319469.

The spelling of 507890020 in words is "five hundred seven million, eight hundred ninety thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 347 694 1388 1735 3470 3817 6653 6940 7634 13306 15268 19085 26612 33265 38170 66530 73183 76340 133060 146366 292732 365915 731830 1463660 2308591 4617182 9234364 11542955 23085910 25394501 46171820 50789002 101578004 126972505 253945010 507890020