Search a number
-
+
285740462 = 2722915719
BaseRepresentation
bin10001000010000…
…000110110101110
3201220200010020002
4101002000312232
51041122143322
644204224302
710036516400
oct2102006656
9656603202
10285740462
11137325047
127b83b092
13472774c7
1429d40b70
151a143c92
hex11080dae

285740462 has 12 divisors (see below), whose sum is σ = 498588120. Its totient is φ = 122460156.

The previous prime is 285740419. The next prime is 285740473. The reversal of 285740462 is 264047582.

It is a super-2 number, since 2×2857404622 = 163295223247946888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1457762 + ... + 1457957.

It is an arithmetic number, because the mean of its divisors is an integer number (41549010).

Almost surely, 2285740462 is an apocalyptic number.

285740462 is a deficient number, since it is larger than the sum of its proper divisors (212847658).

285740462 is a wasteful number, since it uses less digits than its factorization.

285740462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915735 (or 2915728 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 285740462 is about 16903.8593818098. The cubic root of 285740462 is about 658.6538694104.

The spelling of 285740462 in words is "two hundred eighty-five million, seven hundred forty thousand, four hundred sixty-two".

Divisors: 1 2 7 14 49 98 2915719 5831438 20410033 40820066 142870231 285740462