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546435140 = 225312114177
BaseRepresentation
bin100000100100011…
…111000001000100
31102002012210002112
4200210133001010
52104341411030
6130120000152
716353423236
oct4044370104
91362183075
10546435140
112604a2899
12133000058
1389292a04
1452802256
1532e8ba95
hex2091f044

546435140 has 48 divisors (see below), whose sum is σ = 1190429184. Its totient is φ = 210470400.

The previous prime is 546435121. The next prime is 546435143. The reversal of 546435140 is 41534645.

It is a junction number, because it is equal to n+sod(n) for n = 546435097 and 546435106.

It is not an unprimeable number, because it can be changed into a prime (546435143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128732 + ... + 132908.

It is an arithmetic number, because the mean of its divisors is an integer number (24800608).

Almost surely, 2546435140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 546435140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595214592).

546435140 is an abundant number, since it is smaller than the sum of its proper divisors (643994044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546435140 is a wasteful number, since it uses less digits than its factorization.

546435140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 546435140 is about 23375.9521731201. The cubic root of 546435140 is about 817.5472713144.

Adding to 546435140 its reverse (41534645), we get a palindrome (587969785).

It can be divided in two parts, 5464 and 35140, that added together give a palindrome (40604).

The spelling of 546435140 in words is "five hundred forty-six million, four hundred thirty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 211 310 422 620 844 1055 2110 4177 4220 6541 8354 13082 16708 20885 26164 32705 41770 65410 83540 129487 130820 258974 517948 647435 881347 1294870 1762694 2589740 3525388 4406735 8813470 17626940 27321757 54643514 109287028 136608785 273217570 546435140