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54145872 = 24321134183
BaseRepresentation
bin1100111010001…
…1001101010000
310202212220011200
43032203031100
5102330131442
65212311200
71225142454
oct316431520
9122786150
1054145872
1128622660
1216172500
13b2aa4a1
147296664
154b4834c
hex33a3350

54145872 has 60 divisors (see below), whose sum is σ = 165313824. Its totient is φ = 16407360.

The previous prime is 54145843. The next prime is 54145891. The reversal of 54145872 is 27854145.

54145872 is a `hidden beast` number, since 541 + 45 + 8 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15508 + ... + 18675.

Almost surely, 254145872 is an apocalyptic number.

It is an amenable number.

54145872 is an abundant number, since it is smaller than the sum of its proper divisors (111167952).

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

54145872 is a wasteful number, since it uses less digits than its factorization.

54145872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34208 (or 34199 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 54145872 is about 7358.3878669176. The cubic root of 54145872 is about 378.3163556372.

The spelling of 54145872 in words is "fifty-four million, one hundred forty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 34183 68366 102549 136732 205098 273464 307647 376013 410196 546928 615294 752026 820392 1128039 1230588 1504052 1640784 2256078 2461176 3008104 3384117 4512156 4922352 6016208 6768234 9024312 13536468 18048624 27072936 54145872