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634729053 = 3733789689
BaseRepresentation
bin100101110101010…
…011001001011101
31122020100120120110
4211311103021131
52244442312203
6142552240233
721505052010
oct4565231135
91566316513
10634729053
112a6319372
121586a0079
13a166822a
1460427377
153aaccd03
hex25d5325d

634729053 has 16 divisors (see below), whose sum is σ = 970087040. Its totient is φ = 361622016.

The previous prime is 634729037. The next prime is 634729079. The reversal of 634729053 is 350927436.

It is not a de Polignac number, because 634729053 - 24 = 634729037 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 (634729033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37768 + ... + 51921.

It is an arithmetic number, because the mean of its divisors is an integer number (60630440).

Almost surely, 2634729053 is an apocalyptic number.

It is an amenable number.

634729053 is a deficient number, since it is larger than the sum of its proper divisors (335357987).

634729053 is a wasteful number, since it uses less digits than its factorization.

634729053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90036.

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 634729053 is about 25193.8296612484. The cubic root of 634729053 is about 859.4015364905.

The spelling of 634729053 in words is "six hundred thirty-four million, seven hundred twenty-nine thousand, fifty-three".

Divisors: 1 3 7 21 337 1011 2359 7077 89689 269067 627823 1883469 30225193 90675579 211576351 634729053