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54219001 = 172434363
BaseRepresentation
bin1100111011010…
…1000011111001
310210000121111011
43032311003321
5102340002001
65214033521
71225565614
oct316650371
9123017434
1054219001
11286725a1
12161a88a1
13b304865
1472b517b
154b5ed51
hex33b50f9

54219001 has 12 divisors (see below), whose sum is σ = 58948912. Its totient is φ = 49831488.

The previous prime is 54218953. The next prime is 54219007. The reversal of 54219001 is 10091245.

It is not a de Polignac number, because 54219001 - 219 = 53694713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54219007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10246 + ... + 14608.

Almost surely, 254219001 is an apocalyptic number.

It is an amenable number.

54219001 is a deficient number, since it is larger than the sum of its proper divisors (4729911).

54219001 is a wasteful number, since it uses less digits than its factorization.

54219001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440 (or 4423 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 54219001 is about 7363.3552813918. The cubic root of 54219001 is about 378.4865960758.

The spelling of 54219001 in words is "fifty-four million, two hundred nineteen thousand, one".

Divisors: 1 17 43 289 731 4363 12427 74171 187609 1260907 3189353 54219001