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54471444 = 22314273181
BaseRepresentation
bin1100111111001…
…0101100010100
310210111102202220
43033302230110
5102421041234
65223302340
71230666606
oct317625424
9123442686
1054471444
1128825225
12162aa9b0
13b392731
14733d176
154baea49
hex33f2b14

54471444 has 24 divisors (see below), whose sum is σ = 127229088. Its totient is φ = 18138720.

The previous prime is 54471419. The next prime is 54471457. The reversal of 54471444 is 44417445.

It is a super-2 number, since 2×544714442 = 5934276422890272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15534 + ... + 18714.

It is an arithmetic number, because the mean of its divisors is an integer number (5301212).

Almost surely, 254471444 is an apocalyptic number.

It is an amenable number.

54471444 is an abundant number, since it is smaller than the sum of its proper divisors (72757644).

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

54471444 is a wasteful number, since it uses less digits than its factorization.

54471444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615 (or 4613 counting only the distinct ones).

The product of its digits is 35840, while the sum is 33.

The square root of 54471444 is about 7380.4772203429. The cubic root of 54471444 is about 379.0730964105.

Adding to 54471444 its reverse (44417445), we get a palindrome (98888889).

The spelling of 54471444 in words is "fifty-four million, four hundred seventy-one thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 1427 2854 3181 4281 5708 6362 8562 9543 12724 17124 19086 38172 4539287 9078574 13617861 18157148 27235722 54471444