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54386860 = 225112331061
BaseRepresentation
bin1100111101111…
…0000010101100
310210100010202011
43033132002230
5102410334420
65221411004
71230165163
oct317360254
9123303664
1054386860
1128777720
1216269a64
13b363098
14731a3da
154b9495a
hex33de0ac

54386860 has 48 divisors (see below), whose sum is σ = 125248032. Its totient is φ = 19673600.

The previous prime is 54386837. The next prime is 54386863. The reversal of 54386860 is 6868345.

It is not an unprimeable number, because it can be changed into a prime (54386863) 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, 50730 + ... + 51790.

It is an arithmetic number, because the mean of its divisors is an integer number (2609334).

Almost surely, 254386860 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 54386860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62624016).

54386860 is an abundant number, since it is smaller than the sum of its proper divisors (70861172).

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

54386860 is a wasteful number, since it uses less digits than its factorization.

54386860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1312 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 54386860 is about 7374.7447413453. The cubic root of 54386860 is about 378.8767848083.

The spelling of 54386860 in words is "fifty-four million, three hundred eighty-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 233 466 932 1061 1165 2122 2330 2563 4244 4660 5126 5305 10252 10610 11671 12815 21220 23342 25630 46684 51260 58355 116710 233420 247213 494426 988852 1236065 2472130 2719343 4944260 5438686 10877372 13596715 27193430 54386860