Search a number
-
+
554020225 = 52111726971
BaseRepresentation
bin100001000001011…
…010110110000001
31102121111010212121
4201001122312001
52113312121400
6130550324241
716505044213
oct4101326601
91377433777
10554020225
11264803660
12135659681
138aa1a325
14538185b3
153398921a
hex2105ad81

554020225 has 36 divisors (see below), whose sum is σ = 796230288. Its totient is φ = 379168000.

The previous prime is 554020169. The next prime is 554020241. The reversal of 554020225 is 522020455.

It is a happy number.

554020225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 554020225 - 211 = 554018177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 554020225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75990 + ... + 82960.

It is an arithmetic number, because the mean of its divisors is an integer number (22117508).

Almost surely, 2554020225 is an apocalyptic number.

554020225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

554020225 is a deficient number, since it is larger than the sum of its proper divisors (242210063).

554020225 is a wasteful number, since it uses less digits than its factorization.

554020225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7026 (or 7004 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 554020225 is about 23537.6342269141. The cubic root of 554020225 is about 821.3127026052.

The spelling of 554020225 in words is "five hundred fifty-four million, twenty thousand, two hundred twenty-five".

Divisors: 1 5 11 17 25 55 85 187 275 289 425 935 1445 3179 4675 6971 7225 15895 34855 76681 79475 118507 174275 383405 592535 1303577 1917025 2014619 2962675 6517885 10073095 22160809 32589425 50365475 110804045 554020225