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200148125 = 54320237
BaseRepresentation
bin10111110111000…
…00010010011101
3111221121120121112
423323200102131
5402214220000
631505511405
74650142142
oct1373402235
9457546545
10200148125
11a2a84281
1257042565
1332609858
141c8203c9
1512888235
hexbee049d

200148125 has 10 divisors (see below), whose sum is σ = 250105878. Its totient is φ = 160118000.

The previous prime is 200148103. The next prime is 200148131. The reversal of 200148125 is 521841002.

It can be written as a sum of positive squares in 5 ways, for example, as 60388441 + 139759684 = 7771^2 + 11822^2 .

It is not a de Polignac number, because 200148125 - 218 = 199885981 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200148125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 159494 + ... + 160743.

Almost surely, 2200148125 is an apocalyptic number.

200148125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200148125 is a deficient number, since it is larger than the sum of its proper divisors (49957753).

200148125 is an frugal number, since it uses more digits than its factorization.

200148125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320257 (or 320242 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 200148125 is about 14147.3716640230. The cubic root of 200148125 is about 584.9478853909.

Adding to 200148125 its reverse (521841002), we get a palindrome (721989127).

The spelling of 200148125 in words is "two hundred million, one hundred forty-eight thousand, one hundred twenty-five".

Divisors: 1 5 25 125 625 320237 1601185 8005925 40029625 200148125