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54961878 = 239160313
BaseRepresentation
bin1101000110101…
…0011011010110
310211102100112010
43101222123112
5103032240003
65242005050
71235111466
oct321523326
9124370463
1054961878
112902a744
12164a6786
13b504a2a
147429ba6
154c5a003
hex346a6d6

54961878 has 8 divisors (see below), whose sum is σ = 109923768. Its totient is φ = 18320624.

The previous prime is 54961817. The next prime is 54961883. The reversal of 54961878 is 87816945.

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

54961878 is an admirable number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580151 + ... + 4580162.

It is an arithmetic number, because the mean of its divisors is an integer number (13740471).

Almost surely, 254961878 is an apocalyptic number.

54961878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

54961878 is a wasteful number, since it uses less digits than its factorization.

54961878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9160318.

The product of its digits is 483840, while the sum is 48.

The square root of 54961878 is about 7413.6278568593. The cubic root of 54961878 is about 380.2073614323.

The spelling of 54961878 in words is "fifty-four million, nine hundred sixty-one thousand, eight hundred seventy-eight".

Divisors: 1 2 3 6 9160313 18320626 27480939 54961878