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544134540 = 22351929109151
BaseRepresentation
bin100000011011101…
…101010110001100
31101220212220021010
4200123231112030
52103244301130
6125554405220
716325032035
oct4033552614
91356786233
10544134540
1125a171374
12132290810
1388968801
14523a3a8c
1532b850b0
hex206ed58c

544134540 has 192 divisors, whose sum is σ = 1685376000. Its totient is φ = 130636800.

The previous prime is 544134527. The next prime is 544134551. The reversal of 544134540 is 45431445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 544134498 and 544134507.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3603465 + ... + 3603615.

It is an arithmetic number, because the mean of its divisors is an integer number (8778000).

Almost surely, 2544134540 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 544134540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842688000).

544134540 is an abundant number, since it is smaller than the sum of its proper divisors (1141241460).

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

544134540 is a wasteful number, since it uses less digits than its factorization.

544134540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 544134540 is about 23326.6915785329. The cubic root of 544134540 is about 816.3983121252.

Adding to 544134540 its reverse (45431445), we get a palindrome (589565985).

The spelling of 544134540 in words is "five hundred forty-four million, one hundred thirty-four thousand, five hundred forty".