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54145204 = 22172927457
BaseRepresentation
bin1100111010001…
…1000010110100
310202212212020221
43032203002310
5102330121304
65212304124
71225140511
oct316430264
9122785227
1054145204
1128622103
1216172044
13b2aa0a9
147296308
154b48054
hex33a30b4

54145204 has 24 divisors (see below), whose sum is σ = 103791240. Its totient is φ = 24600576.

The previous prime is 54145199. The next prime is 54145207. The reversal of 54145204 is 40254145.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3763600 + 50381604 = 1940^2 + 7098^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54145207) 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, 11757 + ... + 15700.

It is an arithmetic number, because the mean of its divisors is an integer number (4324635).

Almost surely, 254145204 is an apocalyptic number.

It is an amenable number.

54145204 is a deficient number, since it is larger than the sum of its proper divisors (49646036).

54145204 is a wasteful number, since it uses less digits than its factorization.

54145204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507 (or 27505 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 54145204 is about 7358.3424764005. The cubic root of 54145204 is about 378.3147998623.

Adding to 54145204 its reverse (40254145), we get a palindrome (94399349).

The spelling of 54145204 in words is "fifty-four million, one hundred forty-five thousand, two hundred four".

Divisors: 1 2 4 17 29 34 58 68 116 493 986 1972 27457 54914 109828 466769 796253 933538 1592506 1867076 3185012 13536301 27072602 54145204