Search a number
-
+
285413345 = 5719835171
BaseRepresentation
bin10001000000110…
…000111111100001
3201220001111111122
4101000300333201
51041031211340
644153222025
710033654610
oct2100607741
9656044448
10285413345
111371212a8
127b701915
1347191649
1429c97877
151a0cbdb5
hex11030fe1

285413345 has 32 divisors (see below), whose sum is σ = 417070080. Its totient is φ = 183142080.

The previous prime is 285413291. The next prime is 285413347. The reversal of 285413345 is 543314582.

It is not a de Polignac number, because 285413345 - 224 = 268636129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (285413347) 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, 52610 + ... + 57780.

It is an arithmetic number, because the mean of its divisors is an integer number (13033440).

Almost surely, 2285413345 is an apocalyptic number.

It is an amenable number.

285413345 is a deficient number, since it is larger than the sum of its proper divisors (131656735).

285413345 is a wasteful number, since it uses less digits than its factorization.

285413345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285.

The product of its digits is 57600, while the sum is 35.

The square root of 285413345 is about 16894.1808028682. The cubic root of 285413345 is about 658.4024301062.

The spelling of 285413345 in words is "two hundred eighty-five million, four hundred thirteen thousand, three hundred forty-five".

Divisors: 1 5 7 19 35 83 95 133 415 581 665 1577 2905 5171 7885 11039 25855 36197 55195 98249 180985 429193 491245 687743 2145965 3004351 3438715 8154667 15021755 40773335 57082669 285413345