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50125000 = 2356401
BaseRepresentation
bin1011111100110…
…1100011001000
310111022121120111
42333031203020
5100313000000
64550204104
71146025012
oct277154310
9114277514
1050125000
1126326722
1214953634
13a500283
14692b1b2
154601cba
hex2fcd8c8

50125000 has 56 divisors (see below), whose sum is σ = 117771930. Its totient is φ = 20000000.

The previous prime is 50124989. The next prime is 50125003. The reversal of 50125000 is 52105.

It can be written as a sum of positive squares in 7 ways, for example, as 10510564 + 39614436 = 3242^2 + 6294^2 .

It is not an unprimeable number, because it can be changed into a prime (50125003) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 124800 + ... + 125200.

Almost surely, 250125000 is an apocalyptic number.

50125000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50125000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58885965).

50125000 is an abundant number, since it is smaller than the sum of its proper divisors (67646930).

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

50125000 is an frugal number, since it uses more digits than its factorization.

50125000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 13.

The square root of 50125000 is about 7079.9011292531. The cubic root of 50125000 is about 368.7098970081.

Adding to 50125000 its reverse (52105), we get a palindrome (50177105).

It can be divided in two parts, 50 and 125000, that multiplied together give a 4-th power (6250000 = 504).

The spelling of 50125000 in words is "fifty million, one hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 401 500 625 802 1000 1250 1604 2005 2500 3125 3208 4010 5000 6250 8020 10025 12500 15625 16040 20050 25000 31250 40100 50125 62500 80200 100250 125000 200500 250625 401000 501250 1002500 1253125 2005000 2506250 5012500 6265625 10025000 12531250 25062500 50125000