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508020494 = 21123226189
BaseRepresentation
bin11110010001111…
…100011100001110
31022101221010002212
4132101330130032
52020023123434
6122224350422
715406050212
oct3621743416
91271833085
10508020494
11240845353
12122175412
1381332957
144b682942
152e8ee8ce
hex1e47c70e

508020494 has 8 divisors (see below), whose sum is σ = 762712680. Its totient is φ = 253782936.

The previous prime is 508020473. The next prime is 508020511. The reversal of 508020494 is 494020805.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×5080204943 (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 508020494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110849 + ... + 115340.

It is an arithmetic number, because the mean of its divisors is an integer number (95339085).

Almost surely, 2508020494 is an apocalyptic number.

508020494 is a deficient number, since it is larger than the sum of its proper divisors (254692186).

508020494 is a wasteful number, since it uses less digits than its factorization.

508020494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227314.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 508020494 is about 22539.3099716917. The cubic root of 508020494 is about 797.9219474206.

The spelling of 508020494 in words is "five hundred eight million, twenty thousand, four hundred ninety-four".

Divisors: 1 2 1123 2246 226189 452378 254010247 508020494