Search a number
-
+
285064038 = 23272262413
BaseRepresentation
bin10000111111011…
…011101101100110
3201212101202100100
4100333123231212
51040434022123
644141524530
710031001330
oct2077335546
9655352310
10285064038
11136a02916
127b573746
134709b65c
1429c06450
151a05d643
hex10fdbb66

285064038 has 24 divisors (see below), whose sum is σ = 705873168. Its totient is φ = 81446832.

The previous prime is 285063979. The next prime is 285064057. The reversal of 285064038 is 830460582.

285064038 is a `hidden beast` number, since 2 + 8 + 5 + 0 + 640 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 285063993 and 285064011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1131081 + ... + 1131332.

It is an arithmetic number, because the mean of its divisors is an integer number (29411382).

Almost surely, 2285064038 is an apocalyptic number.

285064038 is an abundant number, since it is smaller than the sum of its proper divisors (420809130).

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

285064038 is a wasteful number, since it uses less digits than its factorization.

285064038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262428 (or 2262425 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 285064038 is about 16883.8395514764. The cubic root of 285064038 is about 658.1337222027.

The spelling of 285064038 in words is "two hundred eighty-five million, sixty-four thousand, thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2262413 4524826 6787239 13574478 15836891 20361717 31673782 40723434 47510673 95021346 142532019 285064038