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54108949 = 232352563
BaseRepresentation
bin1100111001101…
…0001100010101
310202211000112011
43032122030111
5102322441244
65211424221
71224630016
oct316321425
9122730464
1054108949
11285a7944
1216155071
13b29673b
14728700d
154b3c434
hex339a315

54108949 has 4 divisors (see below), whose sum is σ = 56461536. Its totient is φ = 51756364.

The previous prime is 54108931. The next prime is 54108973. The reversal of 54108949 is 94980145.

54108949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54108949 - 29 = 54108437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54108049) 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 3 ways as a sum of consecutive naturals, for example, 1176259 + ... + 1176304.

It is an arithmetic number, because the mean of its divisors is an integer number (14115384).

Almost surely, 254108949 is an apocalyptic number.

It is an amenable number.

54108949 is a deficient number, since it is larger than the sum of its proper divisors (2352587).

54108949 is a wasteful number, since it uses less digits than its factorization.

54108949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352586.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 54108949 is about 7355.8785335268. The cubic root of 54108949 is about 378.2303426097.

The spelling of 54108949 in words is "fifty-four million, one hundred eight thousand, nine hundred forty-nine".

Divisors: 1 23 2352563 54108949