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55830418 = 273987887
BaseRepresentation
bin1101010011111…
…0011110010010
310220001110221021
43110332132102
5103243033133
65312350054
71245356620
oct324763622
9126043837
1055830418
1129573246
121684532a
13b74a167
1475b4510
154d7c52d
hex353e792

55830418 has 8 divisors (see below), whose sum is σ = 95709312. Its totient is φ = 23927316.

The previous prime is 55830413. The next prime is 55830419. The reversal of 55830418 is 81403855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (55830413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993930 + ... + 1993957.

It is an arithmetic number, because the mean of its divisors is an integer number (11963664).

Almost surely, 255830418 is an apocalyptic number.

55830418 is a deficient number, since it is larger than the sum of its proper divisors (39878894).

55830418 is a wasteful number, since it uses less digits than its factorization.

55830418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3987896.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 55830418 is about 7471.9755085252. The cubic root of 55830418 is about 382.1996571482.

It can be divided in two parts, 558 and 30418, that added together give a square (30976 = 1762).

The spelling of 55830418 in words is "fifty-five million, eight hundred thirty thousand, four hundred eighteen".

Divisors: 1 2 7 14 3987887 7975774 27915209 55830418