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54391080 = 23351572887
BaseRepresentation
bin1100111101111…
…1000100101000
310210100100112110
43033133010220
5102411003310
65221442320
71230213402
oct317370450
9123310473
1054391080
112877a907
12162703a0
13b364c93
14731bb72
154b95d20
hex33df128

54391080 has 64 divisors (see below), whose sum is σ = 164269440. Its totient is φ = 14406912.

The previous prime is 54391061. The next prime is 54391093. The reversal of 54391080 is 8019345.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17397 + ... + 20283.

It is an arithmetic number, because the mean of its divisors is an integer number (2566710).

Almost surely, 254391080 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 54391080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82134720).

54391080 is an abundant number, since it is smaller than the sum of its proper divisors (109878360).

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

54391080 is a wasteful number, since it uses less digits than its factorization.

54391080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3058 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 54391080 is about 7375.0308473931. The cubic root of 54391080 is about 378.8865838583.

The spelling of 54391080 in words is "fifty-four million, three hundred ninety-one thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 157 314 471 628 785 942 1256 1570 1884 2355 2887 3140 3768 4710 5774 6280 8661 9420 11548 14435 17322 18840 23096 28870 34644 43305 57740 69288 86610 115480 173220 346440 453259 906518 1359777 1813036 2266295 2719554 3626072 4532590 5439108 6798885 9065180 10878216 13597770 18130360 27195540 54391080