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547980542 = 2335981569
BaseRepresentation
bin100000101010011…
…000010011111110
31102012010021222122
4200222120103332
52110240334132
6130213042542
716402520624
oct4052302376
91365107878
10547980542
1126135898a
12133626452
13896b4255
1452ac5514
1533194912
hex20a984fe

547980542 has 8 divisors (see below), whose sum is σ = 822225600. Its totient is φ = 273905344.

The previous prime is 547980509. The next prime is 547980547. The reversal of 547980542 is 245089745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5479805422 = 600565348821227528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 547980493 and 547980502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (547980547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34067 + ... + 47502.

It is an arithmetic number, because the mean of its divisors is an integer number (102778200).

Almost surely, 2547980542 is an apocalyptic number.

547980542 is a deficient number, since it is larger than the sum of its proper divisors (274245058).

547980542 is a wasteful number, since it uses less digits than its factorization.

547980542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84930.

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 547980542 is about 23408.9842154674. The cubic root of 547980542 is about 818.3172620522.

The spelling of 547980542 in words is "five hundred forty-seven million, nine hundred eighty thousand, five hundred forty-two".

Divisors: 1 2 3359 6718 81569 163138 273990271 547980542