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54879380 = 22523532251
BaseRepresentation
bin1101000101011…
…0010010010100
310211021011100122
43101112102110
5103022120010
65240131112
71234316123
oct321262224
9124234318
1054879380
1128a83766
1216466a98
13b4a630a
147407aba
154c40855
hex3456494

54879380 has 48 divisors (see below), whose sum is σ = 122580864. Its totient is φ = 20592000.

The previous prime is 54879359. The next prime is 54879389. The reversal of 54879380 is 8397845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54879389) 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 15 ways as a sum of consecutive naturals, for example, 23255 + ... + 25505.

It is an arithmetic number, because the mean of its divisors is an integer number (2553768).

Almost surely, 254879380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54879380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61290432).

54879380 is an abundant number, since it is smaller than the sum of its proper divisors (67701484).

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

54879380 is a wasteful number, since it uses less digits than its factorization.

54879380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 54879380 is about 7408.0618247960. The cubic root of 54879380 is about 380.0170352474.

The spelling of 54879380 in words is "fifty-four million, eight hundred seventy-nine thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 53 92 106 115 212 230 265 460 530 1060 1219 2251 2438 4502 4876 6095 9004 11255 12190 22510 24380 45020 51773 103546 119303 207092 238606 258865 477212 517730 596515 1035460 1193030 2386060 2743969 5487938 10975876 13719845 27439690 54879380