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284364136 = 2375077931
BaseRepresentation
bin10000111100110…
…000110101101000
3201211002012021001
4100330300311220
51040244123021
644114524344
710022024650
oct2074606550
9654065231
10284364136
11136574a91
127b2966b4
1346bb4c04
1429aa3360
1519e71091
hex10f30d68

284364136 has 16 divisors (see below), whose sum is σ = 609351840. Its totient is φ = 121870320.

The previous prime is 284364131. The next prime is 284364149. The reversal of 284364136 is 631463482.

It is a junction number, because it is equal to n+sod(n) for n = 284364095 and 284364104.

It is not an unprimeable number, because it can be changed into a prime (284364131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2538910 + ... + 2539021.

It is an arithmetic number, because the mean of its divisors is an integer number (38084490).

Almost surely, 2284364136 is an apocalyptic number.

It is an amenable number.

284364136 is an abundant number, since it is smaller than the sum of its proper divisors (324987704).

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

284364136 is a wasteful number, since it uses less digits than its factorization.

284364136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077944 (or 5077940 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 284364136 is about 16863.0998336605. The cubic root of 284364136 is about 657.5946543117.

The spelling of 284364136 in words is "two hundred eighty-four million, three hundred sixty-four thousand, one hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 56 5077931 10155862 20311724 35545517 40623448 71091034 142182068 284364136