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54981948 = 22373831709
BaseRepresentation
bin1101000110111…
…1010100111100
310211110101001110
43101233110330
5103033410243
65242242020
71235224140
oct321572474
9124411043
1054981948
112904382a
12164b6310
13b510bc8
147433220
154c60e33
hex346f53c

54981948 has 48 divisors (see below), whose sum is σ = 147087360. Its totient is φ = 15658944.

The previous prime is 54981929. The next prime is 54981959. The reversal of 54981948 is 84918945.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 54981897 and 54981906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31318 + ... + 33026.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 254981948 is an apocalyptic number.

It is an amenable number.

54981948 is an abundant number, since it is smaller than the sum of its proper divisors (92105412).

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

54981948 is a wasteful number, since it uses less digits than its factorization.

54981948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 54981948 is about 7414.9813216218. The cubic root of 54981948 is about 380.2536349186.

The spelling of 54981948 in words is "fifty-four million, nine hundred eighty-one thousand, nine hundred forty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 383 766 1149 1532 1709 2298 2681 3418 4596 5127 5362 6836 8043 10254 10724 11963 16086 20508 23926 32172 35889 47852 71778 143556 654547 1309094 1963641 2618188 3927282 4581829 7854564 9163658 13745487 18327316 27490974 54981948