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552221725 = 52112008079
BaseRepresentation
bin100000111010100…
…011110000011101
31102111002202210111
4200322203300131
52112332043400
6130444010021
716453543606
oct4072436035
91374082714
10552221725
112637953a0
12134b30911
138a53a823
14534aadad
15337313ba
hex20ea3c1d

552221725 has 12 divisors (see below), whose sum is σ = 747005760. Its totient is φ = 401615600.

The previous prime is 552221711. The next prime is 552221731. The reversal of 552221725 is 527122255.

It is not a de Polignac number, because 552221725 - 211 = 552219677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003765 + ... + 1004314.

It is an arithmetic number, because the mean of its divisors is an integer number (62250480).

Almost surely, 2552221725 is an apocalyptic number.

552221725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

552221725 is a deficient number, since it is larger than the sum of its proper divisors (194784035).

552221725 is a wasteful number, since it uses less digits than its factorization.

552221725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008100 (or 2008095 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 552221725 is about 23499.3983965548. The cubic root of 552221725 is about 820.4230045358.

The spelling of 552221725 in words is "five hundred fifty-two million, two hundred twenty-one thousand, seven hundred twenty-five".

Divisors: 1 5 11 25 55 275 2008079 10040395 22088869 50201975 110444345 552221725