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53900109 = 3223260387
BaseRepresentation
bin1100110110011…
…1001101001101
310202102102001100
43031213031031
5102244300414
65203133313
71223100114
oct315471515
9122372040
1053900109
1128474a4a
1216074239
13b222673
147230c7b
154aea609
hex336734d

53900109 has 12 divisors (see below), whose sum is σ = 81241056. Its totient is φ = 34370952.

The previous prime is 53900107. The next prime is 53900137. The reversal of 53900109 is 90100935.

It is not a de Polignac number, because 53900109 - 21 = 53900107 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53900107) 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, 129987 + ... + 130400.

It is an arithmetic number, because the mean of its divisors is an integer number (6770088).

Almost surely, 253900109 is an apocalyptic number.

It is an amenable number.

53900109 is a deficient number, since it is larger than the sum of its proper divisors (27340947).

53900109 is a wasteful number, since it uses less digits than its factorization.

53900109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260416 (or 260413 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 53900109 is about 7341.6693605746. The cubic root of 53900109 is about 377.7431067149.

The spelling of 53900109 in words is "fifty-three million, nine hundred thousand, one hundred nine".

Divisors: 1 3 9 23 69 207 260387 781161 2343483 5988901 17966703 53900109