Search a number
-
+
54976840 = 2354729243
BaseRepresentation
bin1101000110111…
…0000101001000
310211110010001021
43101232011020
5103033224330
65242202224
71235203222
oct321560510
9124403037
1054976840
112903aa06
12164b3374
13b50b799
147431412
154c5e67a
hex346e148

54976840 has 32 divisors (see below), whose sum is σ = 126334080. Its totient is φ = 21522112.

The previous prime is 54976771. The next prime is 54976841. The reversal of 54976840 is 4867945.

It is not an unprimeable number, because it can be changed into a prime (54976841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12742 + ... + 16501.

It is an arithmetic number, because the mean of its divisors is an integer number (3947940).

Almost surely, 254976840 is an apocalyptic number.

It is an amenable number.

54976840 is an abundant number, since it is smaller than the sum of its proper divisors (71357240).

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

54976840 is a wasteful number, since it uses less digits than its factorization.

54976840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29301 (or 29297 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 54976840 is about 7414.6368758018. The cubic root of 54976840 is about 380.2418589582.

The spelling of 54976840 in words is "fifty-four million, nine hundred seventy-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 29243 58486 116972 146215 233944 292430 584860 1169720 1374421 2748842 5497684 6872105 10995368 13744210 27488420 54976840