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54961880 = 2357917393
BaseRepresentation
bin1101000110101…
…0011011011000
310211102100112012
43101222123120
5103032240010
65242005052
71235111501
oct321523330
9124370465
1054961880
112902a746
12164a6788
13b504a2c
147429ba8
154c5a005
hex346a6d8

54961880 has 32 divisors (see below), whose sum is σ = 125236800. Its totient is φ = 21705216.

The previous prime is 54961817. The next prime is 54961883. The reversal of 54961880 is 8816945.

54961880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54961883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5537 + ... + 11856.

It is an arithmetic number, because the mean of its divisors is an integer number (3913650).

Almost surely, 254961880 is an apocalyptic number.

It is an amenable number.

54961880 is an abundant number, since it is smaller than the sum of its proper divisors (70274920).

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

54961880 is a wasteful number, since it uses less digits than its factorization.

54961880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17483 (or 17479 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 54961880 is about 7413.6279917460. The cubic root of 54961880 is about 380.2073660441.

The spelling of 54961880 in words is "fifty-four million, nine hundred sixty-one thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 17393 34786 69572 86965 139144 173930 347860 695720 1374047 2748094 5496188 6870235 10992376 13740470 27480940 54961880