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493904085 = 35534791297
BaseRepresentation
bin11101011100000…
…110000011010101
31021102100221000220
4131130012003111
52002414412320
6121002024553
715145054413
oct3534060325
91242327026
10493904085
112338834a4
121194a8159
137b42c54c
144984a2b3
152d561e40
hex1d7060d5

493904085 has 32 divisors (see below), whose sum is σ = 807459840. Its totient is φ = 257707008.

The previous prime is 493904051. The next prime is 493904087. The reversal of 493904085 is 580409394.

It is not a de Polignac number, because 493904085 - 27 = 493903957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493904087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 380157 + ... + 381453.

It is an arithmetic number, because the mean of its divisors is an integer number (25233120).

Almost surely, 2493904085 is an apocalyptic number.

It is an amenable number.

493904085 is a deficient number, since it is larger than the sum of its proper divisors (313555755).

493904085 is a wasteful number, since it uses less digits than its factorization.

493904085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 493904085 is about 22223.9529562137. The cubic root of 493904085 is about 790.4617740394.

The spelling of 493904085 in words is "four hundred ninety-three million, nine hundred four thousand, eighty-five".

Divisors: 1 3 5 15 53 159 265 479 795 1297 1437 2395 3891 6485 7185 19455 25387 68741 76161 126935 206223 343705 380805 621263 1031115 1863789 3106315 9318945 32926939 98780817 164634695 493904085