Search a number
-
+
200023520 = 2551250147
BaseRepresentation
bin10111110110000…
…01110111100000
3111221101020200112
423323001313200
5402201223040
631503110452
74646112644
oct1373016740
9457336615
10200023520
11a29a96a4
1256ba2428
1332594c18
141c7cac24
1512861365
hexbec1de0

200023520 has 24 divisors (see below), whose sum is σ = 472555944. Its totient is φ = 80009344.

The previous prime is 200023519. The next prime is 200023559. The reversal of 200023520 is 25320002.

It is a junction number, because it is equal to n+sod(n) for n = 200023495 and 200023504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 624914 + ... + 625233.

It is an arithmetic number, because the mean of its divisors is an integer number (19689831).

Almost surely, 2200023520 is an apocalyptic number.

200023520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200023520 is an abundant number, since it is smaller than the sum of its proper divisors (272532424).

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

200023520 is a wasteful number, since it uses less digits than its factorization.

200023520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250162 (or 1250154 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 200023520 is about 14142.9671568593. The cubic root of 200023520 is about 584.8264710431.

Adding to 200023520 its reverse (25320002), we get a palindrome (225343522).

The spelling of 200023520 in words is "two hundred million, twenty-three thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 1250147 2500294 5000588 6250735 10001176 12501470 20002352 25002940 40004704 50005880 100011760 200023520