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54638672 = 2411310447
BaseRepresentation
bin1101000001101…
…1100001010000
310210210221011112
43100123201100
5102441414142
65231032452
71232264264
oct320334120
9123727145
1054638672
1128929930
121636b728
13b42089a
1473840a4
154be4382
hex341b850

54638672 has 20 divisors (see below), whose sum is σ = 115486656. Its totient is φ = 24835680.

The previous prime is 54638671. The next prime is 54638687. The reversal of 54638672 is 27683645.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54638671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155048 + ... + 155399.

Almost surely, 254638672 is an apocalyptic number.

It is an amenable number.

54638672 is an abundant number, since it is smaller than the sum of its proper divisors (60847984).

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

54638672 is a wasteful number, since it uses less digits than its factorization.

54638672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310466 (or 310460 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 54638672 is about 7391.7976162771. The cubic root of 54638672 is about 379.4606197959.

The spelling of 54638672 in words is "fifty-four million, six hundred thirty-eight thousand, six hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 310447 620894 1241788 2483576 3414917 4967152 6829834 13659668 27319336 54638672