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54078720 = 283514083
BaseRepresentation
bin1100111001001…
…0110100000000
310202202111001120
43032102310000
5102321004340
65211032240
71224442623
oct316226400
9122674046
1054078720
1128587163
121613b680
13b285a57
147279dba
154b334d0
hex3392d00

54078720 has 72 divisors (see below), whose sum is σ = 172726176. Its totient is φ = 14419968.

The previous prime is 54078701. The next prime is 54078721. The reversal of 54078720 is 2787045.

It is a super-4 number, since 4×540787204 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54078721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3202 + ... + 10881.

Almost surely, 254078720 is an apocalyptic number.

It is an amenable number.

54078720 is an abundant number, since it is smaller than the sum of its proper divisors (118647456).

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

54078720 is a wasteful number, since it uses less digits than its factorization.

54078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14107 (or 14093 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 54078720 is about 7353.8234952982. The cubic root of 54078720 is about 378.1598942822.

The spelling of 54078720 in words is "fifty-four million, seventy-eight thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 14083 28166 42249 56332 70415 84498 112664 140830 168996 211245 225328 281660 337992 422490 450656 563320 675984 844980 901312 1126640 1351968 1689960 1802624 2253280 2703936 3379920 3605248 4506560 5407872 6759840 9013120 10815744 13519680 18026240 27039360 54078720