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54785378 = 230789227
BaseRepresentation
bin1101000011111…
…1010101100010
310211002101102002
43100333111202
5103011113003
65234124002
71233445064
oct320772542
9124071362
1054785378
1128a1a07a
1216420602
13b4725ab
1473c1734
154c22a88
hex343f562

54785378 has 8 divisors (see below), whose sum is σ = 82446672. Its totient is φ = 27303156.

The previous prime is 54785377. The next prime is 54785399. The reversal of 54785378 is 87358745.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54785371) 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, 44000 + ... + 45227.

It is an arithmetic number, because the mean of its divisors is an integer number (10305834).

Almost surely, 254785378 is an apocalyptic number.

54785378 is a deficient number, since it is larger than the sum of its proper divisors (27661294).

54785378 is a wasteful number, since it uses less digits than its factorization.

54785378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89536.

The product of its digits is 940800, while the sum is 47.

The square root of 54785378 is about 7401.7145311070. The cubic root of 54785378 is about 379.7999362394.

The spelling of 54785378 in words is "fifty-four million, seven hundred eighty-five thousand, three hundred seventy-eight".

Divisors: 1 2 307 614 89227 178454 27392689 54785378