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54351983 = 711368713
BaseRepresentation
bin1100111101010…
…1100001101111
310210021100220102
43033111201233
5102403230413
65220541315
71226661410
oct317254157
9123240812
1054351983
11287534a4
121625183b
13b35024a
14730b807
154b89458
hex33d586f

54351983 has 8 divisors (see below), whose sum is σ = 62667168. Its totient is φ = 46174464.

The previous prime is 54351971. The next prime is 54352049. The reversal of 54351983 is 38915345.

It is a happy number.

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

It is not a de Polignac number, because 54351983 - 216 = 54286447 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 (54351923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33566 + ... + 35147.

It is an arithmetic number, because the mean of its divisors is an integer number (7833396).

Almost surely, 254351983 is an apocalyptic number.

54351983 is a deficient number, since it is larger than the sum of its proper divisors (8315185).

54351983 is a wasteful number, since it uses less digits than its factorization.

54351983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68833.

The product of its digits is 64800, while the sum is 38.

The square root of 54351983 is about 7372.3797379137. The cubic root of 54351983 is about 378.7957792661.

The spelling of 54351983 in words is "fifty-four million, three hundred fifty-one thousand, nine hundred eighty-three".

Divisors: 1 7 113 791 68713 480991 7764569 54351983