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492164505 = 3457199137
BaseRepresentation
bin11101010101011…
…101010110011001
31021022002112210000
4131111131112121
52001443231010
6120500443213
715124220640
oct3525352631
91238075700
10492164505
112328a5528
121189a9509
137ac70801
1449516357
152d31b7c0
hex1d55d599

492164505 has 80 divisors (see below), whose sum is σ = 1061470080. Its totient is φ = 213124608.

The previous prime is 492164479. The next prime is 492164537. The reversal of 492164505 is 505461294.

492164505 is a `hidden beast` number, since 4 + 9 + 2 + 1 + 645 + 0 + 5 = 666.

It is not a de Polignac number, because 492164505 - 26 = 492164441 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 492164505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 49297 + ... + 58433.

It is an arithmetic number, because the mean of its divisors is an integer number (13268376).

Almost surely, 2492164505 is an apocalyptic number.

492164505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492164505 is an abundant number, since it is smaller than the sum of its proper divisors (569305575).

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

492164505 is a wasteful number, since it uses less digits than its factorization.

492164505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9180 (or 9171 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 492164505 is about 22184.7809319813. The cubic root of 492164505 is about 789.5326536689.

The spelling of 492164505 in words is "four hundred ninety-two million, one hundred sixty-four thousand, five hundred five".

Divisors: 1 3 5 7 9 15 19 21 27 35 45 57 63 81 95 105 133 135 171 189 285 315 399 405 513 567 665 855 945 1197 1539 1995 2565 2835 3591 5985 7695 9137 10773 17955 27411 45685 53865 63959 82233 137055 173603 191877 246699 319795 411165 520809 575631 740097 868015 959385 1215221 1233495 1562427 1726893 2604045 2878155 3645663 3700485 4687281 5180679 6076105 7812135 8634465 10936989 14061843 18228315 23436405 25903395 32810967 54684945 70309215 98432901 164054835 492164505