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54445412 = 22719293529
BaseRepresentation
bin1100111110110…
…0010101100100
310210110010001202
43033230111210
5102414223122
65222542032
71230530660
oct317542544
9123403052
1054445412
112880770a
1216297918
13b383928
1473338a0
154ba6e92
hex33ec564

54445412 has 48 divisors (see below), whose sum is σ = 118608000. Its totient is φ = 21337344.

The previous prime is 54445399. The next prime is 54445451. The reversal of 54445412 is 21454445.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 13664 + ... + 17192.

It is an arithmetic number, because the mean of its divisors is an integer number (2471000).

Almost surely, 254445412 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 54445412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59304000).

54445412 is an abundant number, since it is smaller than the sum of its proper divisors (64162588).

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

54445412 is a wasteful number, since it uses less digits than its factorization.

54445412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588 (or 3586 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 54445412 is about 7378.7134379917. The cubic root of 54445412 is about 379.0127002193.

Adding to 54445412 its reverse (21454445), we get a palindrome (75899857).

The spelling of 54445412 in words is "fifty-four million, four hundred forty-five thousand, four hundred twelve".

Divisors: 1 2 4 7 14 19 28 29 38 58 76 116 133 203 266 406 532 551 812 1102 2204 3529 3857 7058 7714 14116 15428 24703 49406 67051 98812 102341 134102 204682 268204 409364 469357 716387 938714 1432774 1877428 1944479 2865548 3888958 7777916 13611353 27222706 54445412