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50725000 = 23552029
BaseRepresentation
bin1100000110000…
…0000010001000
310112110002121201
43001200002020
5100441200000
65011113544
71154104204
oct301400210
9115402551
1050725000
11266a6497
1214ba28b4
13a6803c1
146a45b04
1546be96a
hex3060088

50725000 has 48 divisors (see below), whose sum is σ = 118937700. Its totient is φ = 20280000.

The previous prime is 50724983. The next prime is 50725009. The reversal of 50725000 is 52705.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2116 + 50722884 = 46^2 + 7122^2 .

It is not an unprimeable number, because it can be changed into a prime (50725009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23986 + ... + 26014.

Almost surely, 250725000 is an apocalyptic number.

50725000 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 50725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59468850).

50725000 is an abundant number, since it is smaller than the sum of its proper divisors (68212700).

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

50725000 is an equidigital number, since it uses as much as digits as its factorization.

50725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2036 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 50725000 is about 7122.1485522278. The cubic root of 50725000 is about 370.1752274469.

Adding to 50725000 its reverse (52705), we get a palindrome (50777705).

The spelling of 50725000 in words is "fifty million, seven hundred twenty-five thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2029 2500 3125 4058 5000 6250 8116 10145 12500 16232 20290 25000 40580 50725 81160 101450 202900 253625 405800 507250 1014500 1268125 2029000 2536250 5072500 6340625 10145000 12681250 25362500 50725000