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54111040 = 265169097
BaseRepresentation
bin1100111001101…
…0101101000000
310202211010101121
43032122231000
5102323023130
65211442024
71224636064
oct316325500
9122733347
1054111040
11285a9475
1216156314
13b297689
147287aa4
154b3cd7a
hex339ab40

54111040 has 28 divisors (see below), whose sum is σ = 128852676. Its totient is φ = 21644288.

The previous prime is 54111037. The next prime is 54111059. The reversal of 54111040 is 4011145.

It can be written as a sum of positive squares in 2 ways, for example, as 11182336 + 42928704 = 3344^2 + 6552^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84229 + ... + 84868.

Almost surely, 254111040 is an apocalyptic number.

It is an amenable number.

54111040 is an abundant number, since it is smaller than the sum of its proper divisors (74741636).

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

54111040 is a wasteful number, since it uses less digits than its factorization.

54111040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169114 (or 169104 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 54111040 is about 7356.0206633750. The cubic root of 54111040 is about 378.2352146901.

Adding to 54111040 its reverse (4011145), we get a palindrome (58122185).

The spelling of 54111040 in words is "fifty-four million, one hundred eleven thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 169097 338194 676388 845485 1352776 1690970 2705552 3381940 5411104 6763880 10822208 13527760 27055520 54111040