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542043425 = 52711281581
BaseRepresentation
bin100000010011101…
…110110100100001
31101202221122210102
4200103232310201
52102230342200
6125441512145
716301202350
oct4023566441
91352848712
10542043425
11258a73280
12131642655
13883b5a71
1451dbb997
15328c06d5
hex204eed21

542043425 has 24 divisors (see below), whose sum is σ = 837988032. Its totient is φ = 337896000.

The previous prime is 542043421. The next prime is 542043473. The reversal of 542043425 is 524340245.

It is not a de Polignac number, because 542043425 - 22 = 542043421 is a prime.

It is a super-2 number, since 2×5420434252 = 587622149171461250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542043421) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 138866 + ... + 142715.

It is an arithmetic number, because the mean of its divisors is an integer number (34916168).

Almost surely, 2542043425 is an apocalyptic number.

542043425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542043425 is a deficient number, since it is larger than the sum of its proper divisors (295944607).

542043425 is a wasteful number, since it uses less digits than its factorization.

542043425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281609 (or 281604 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 542043425 is about 23281.8260666985. The cubic root of 542043425 is about 815.3511603523.

The spelling of 542043425 in words is "five hundred forty-two million, forty-three thousand, four hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 281581 1407905 1971067 3097391 7039525 9855335 15486955 21681737 49276675 77434775 108408685 542043425