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551160725 = 52103214043
BaseRepresentation
bin100000110110100…
…000101110010101
31102102002212101012
4200312200232111
52112044120400
6130405142005
716441534403
oct4066405625
91372085335
10551160725
11263130235
121346ba905
138a25890b
14532b2473
15335c1d35
hex20da0b95

551160725 has 12 divisors (see below), whose sum is σ = 690077856. Its totient is φ = 436645680.

The previous prime is 551160719. The next prime is 551160751. The reversal of 551160725 is 527061155.

It is not a de Polignac number, because 551160725 - 210 = 551159701 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551160691 and 551160700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104447 + ... + 109596.

It is an arithmetic number, because the mean of its divisors is an integer number (57506488).

Almost surely, 2551160725 is an apocalyptic number.

It is an amenable number.

551160725 is a deficient number, since it is larger than the sum of its proper divisors (138917131).

551160725 is a wasteful number, since it uses less digits than its factorization.

551160725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214156 (or 214151 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 551160725 is about 23476.8124965891. The cubic root of 551160725 is about 819.8972333041.

The spelling of 551160725 in words is "five hundred fifty-one million, one hundred sixty thousand, seven hundred twenty-five".

Divisors: 1 5 25 103 515 2575 214043 1070215 5351075 22046429 110232145 551160725