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52750250 = 253743701
BaseRepresentation
bin1100100100111…
…0011110101010
310200020222201222
43021032132222
5102001002000
65122342042
71210240550
oct311163652
9120228658
1052750250
112785a053
12157ba922
13ac0c187
147011bd0
15496ea85
hex324e7aa

52750250 has 64 divisors (see below), whose sum is σ = 115644672. Its totient is φ = 17640000.

The previous prime is 52750241. The next prime is 52750253. The reversal of 52750250 is 5205725.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52750253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74900 + ... + 75600.

It is an arithmetic number, because the mean of its divisors is an integer number (1806948).

Almost surely, 252750250 is an apocalyptic number.

52750250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52750250 is an abundant number, since it is smaller than the sum of its proper divisors (62894422).

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

52750250 is a wasteful number, since it uses less digits than its factorization.

52750250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 758 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 52750250 is about 7262.9367338564. The cubic root of 52750250 is about 375.0376258543.

Adding to 52750250 its reverse (5205725), we get a palindrome (57955975).

The spelling of 52750250 in words is "fifty-two million, seven hundred fifty thousand, two hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 43 50 70 86 125 175 215 250 301 350 430 602 701 875 1075 1402 1505 1750 2150 3010 3505 4907 5375 7010 7525 9814 10750 15050 17525 24535 30143 35050 37625 49070 60286 75250 87625 122675 150715 175250 211001 245350 301430 422002 613375 753575 1055005 1226750 1507150 2110010 3767875 5275025 7535750 10550050 26375125 52750250