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52255225 = 52111973137
BaseRepresentation
bin1100011101010…
…1100111111001
310122022211200201
43013111213321
5101334131400
65104002201
71203106411
oct307254771
9118284621
1052255225
1127551140
1215600361
13aa97a69
146d23641
1548c306a
hex31d59f9

52255225 has 48 divisors (see below), whose sum is σ = 75977280. Its totient is φ = 35251200.

The previous prime is 52255213. The next prime is 52255249.

52255225 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52255225 - 27 = 52255097 is a prime.

Its product of digits (10000) is a multiple of the sum of its prime factors (250).

It is a junction number, because it is equal to n+sod(n) for n = 52255193 and 52255202.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381357 + ... + 381493.

It is an arithmetic number, because the mean of its divisors is an integer number (1582860).

Almost surely, 252255225 is an apocalyptic number.

52255225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52255225 is a deficient number, since it is larger than the sum of its proper divisors (23722055).

52255225 is a wasteful number, since it uses less digits than its factorization.

52255225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 245 counting only the distinct ones).

The product of its digits is 10000, while the sum is 28.

The square root of 52255225 is about 7228.7775591728. Note that the first 3 decimals coincide. The cubic root of 52255225 is about 373.8607796805.

The spelling of 52255225 in words is "fifty-two million, two hundred fifty-five thousand, two hundred twenty-five".

Divisors: 1 5 11 19 25 55 73 95 137 209 275 365 475 685 803 1045 1387 1507 1825 2603 3425 4015 5225 6935 7535 10001 13015 15257 20075 28633 34675 37675 50005 65075 76285 110011 143165 190019 250025 381425 550055 715825 950095 2090209 2750275 4750475 10451045 52255225