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53949064 = 2313518741
BaseRepresentation
bin1100110111001…
…1001010001000
310202111220012111
43031303022020
5102302332224
65204152104
71223362621
oct315631210
9122456174
1053949064
11284a8804
1216098634
13b23ba30
147244a48
154b09d94
hex3373288

53949064 has 16 divisors (see below), whose sum is σ = 108935820. Its totient is φ = 24899520.

The previous prime is 53949017. The next prime is 53949067. The reversal of 53949064 is 46094935.

It can be written as a sum of positive squares in 2 ways, for example, as 53904964 + 44100 = 7342^2 + 210^2 .

It is not an unprimeable number, because it can be changed into a prime (53949067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259267 + ... + 259474.

Almost surely, 253949064 is an apocalyptic number.

It is an amenable number.

53949064 is an abundant number, since it is smaller than the sum of its proper divisors (54986756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53949064 is a wasteful number, since it uses less digits than its factorization.

53949064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518760 (or 518756 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 53949064 is about 7345.0026548668. The cubic root of 53949064 is about 377.8574343626.

It can be divided in two parts, 5394 and 9064, that multiplied together give a triangular number (48891216 = T9888).

The spelling of 53949064 in words is "fifty-three million, nine hundred forty-nine thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 104 518741 1037482 2074964 4149928 6743633 13487266 26974532 53949064